Alameda County, California







County in California



























































































Alameda County, California
County


Lake Merritt Oakland California panorama.jpg


CampanileMtTamalpiasSunset-original.jpg

Hayward water tower, California.jpg



Lake Elizabeth in Fremont Central Park.JPG

MCB-pleasanton-ca.jpg



Images, from top down, left to right: Looking southwest across Lake Merritt in Oakland, Sather Tower on the UC Berkeley campus, a water tower in Hayward, Lake Elizabeth in Fremont, Pleasanton sign





Flag of Alameda County, California
Flag

Official seal of Alameda County, California
Seal

Location within the state of California
Location within the state of California


California's location within the United States
California's location within the United States

Country  United States
State
 California
Region San Francisco Bay Area
Incorporated March 25, 1853[1]
Named for
Rancho Arroyo de la Alameda (also see Alameda Creek)
County seat Oakland
Largest city Oakland
Government

 • Body Alameda County Board of Supervisors
Area

 • Total 821 sq mi (2,130 km2)
 • Land 739 sq mi (1,910 km2)
 • Water 82 sq mi (210 km2)
Highest elevation
[2]

3,843 ft (1,171 m)
Population
(April 1, 2010)[3]

 • Total 1,510,271
 • Estimate 
(2017)[4]

1,663,190
 • Density 1,800/sq mi (710/km2)
Time zone
UTC-8 (Pacific Time Zone)
 • Summer (DST)
UTC-7 (Pacific Daylight Time)
Area codes
510, 925

FIPS code
06-001
Website www.acgov.org

Alameda County (/ˌæləˈmdə/ AL-ə-MEE-də) is a county in the state of California in the United States. As of the 2010 census, the population was 1,510,271,[5] making it the 7th-most populous county in the state.[6] The county seat is Oakland.[7] Alameda County is included in the San Francisco Bay Area, occupying much of the East Bay region.


The Spanish word alameda means either, "...a grove of poplars,...or a tree lined street" a name originally used to describe the Arroyo de la Alameda (). The willow and sycamore trees along the banks of the river reminded the early Spanish explorers of a road lined with trees.[8][9] Although a strict translation to English might be "Poplar Grove Creek", the name of the principal stream that flows through the county is now simply "Alameda Creek."


Alameda County is included in the San Francisco–Oakland–Hayward, CA Metropolitan Statistical Area, which is also included in the San Jose-San Francisco-Oakland, CA Combined Statistical Area.




Contents






  • 1 History


  • 2 Events


  • 3 Geography


    • 3.1 National protected area




  • 4 Demographics


    • 4.1 2011


      • 4.1.1 Places by population, race, and income




    • 4.2 2010


    • 4.3 2000




  • 5 Law, government and politics


    • 5.1 Government


    • 5.2 State and federal representation


    • 5.3 Politics


      • 5.3.1 Voter registration statistics


        • 5.3.1.1 Cities by population and voter registration








  • 6 Crime


    • 6.1 Cities by population and crime rates




  • 7 Education


    • 7.1 Colleges and universities


    • 7.2 School districts (K–12)




  • 8 Arts


  • 9 Sports


  • 10 Parks and recreation


  • 11 Transportation


    • 11.1 Major highways


    • 11.2 Mass transit


    • 11.3 Airports




  • 12 Services


  • 13 Landmarks


  • 14 Sister county


  • 15 Communities


    • 15.1 Cities


    • 15.2 Census-designated places


    • 15.3 Unincorporated communities


    • 15.4 Former townships


    • 15.5 Population ranking




  • 16 See also


  • 17 Notes


  • 18 References


  • 19 External links





History


The county was formed on March 25, 1853, from a large portion of Contra Costa County and a smaller portion of Santa Clara County.


The county seat at the time of the county's formation was located at Alvarado, now part of Union City. In 1856, it was moved to San Leandro, where the county courthouse was destroyed by the devastating 1868 quake on the Hayward Fault. The county seat was then re-established in the town of Brooklyn from 1872-1875. Brooklyn is now part of Oakland, which has been the county seat since 1873.


Much of what is now considered an intensively urban region, with major cities, was developed as a trolley car suburb of San Francisco in the late 19th and early 20th centuries. The historical progression from Native American tribal lands to Spanish, then Mexican ranches, then to farms, ranches, and orchards, then to multiple city centers and suburbs, is shared with the adjacent and closely associated Contra Costa County.



Events


The annual county fair is held at the Alameda County Fairgrounds in Pleasanton. The fair runs for three weekends from June to July. Attractions include horse racing, carnival rides, 4-H exhibits, and live bands.



Geography




View of downtown Oakland looking west across Lake Merritt




View of Berkeley and the San Francisco Bay at nightfall




The reconstructed mission at Mission San José (located in Fremont)


According to the U.S. Census Bureau, the county has a total area of 821 square miles (2,130 km2), of which 739 square miles (1,910 km2) is land and 82 square miles (210 km2) (10%) is water.[10]


The San Francisco Bay borders the county on the west, and the City and County of San Francisco, California, has a small land border with the city of Alameda due to land filling.[11] The crest of the Berkeley Hills form part of the northeastern boundary and reach into the center of the county. A coastal plain several miles wide lines the bay; and is Oakland's most populous region. Livermore Valley lies in the eastern part of the county. Amador Valley abuts the western edge of Livermore Valley and continues west to the Pleasanton Ridge.


The Hayward Fault, a major branch of the San Andreas Fault to the west, runs through the most populated parts of Alameda County, while the Calaveras Fault runs through the southeastern part of the county.



National protected area



  • Don Edwards San Francisco Bay National Wildlife Refuge (part)


Demographics


A 2014 analysis by The Atlantic found Alameda County to be the fourth most racially diverse county in the United States—behind Aleutians West Census Area and Aleutians East Borough in Alaska, and Queens County in New York—as well as the most diverse county in California.[12]



2011






























































Places by population, race, and income
























































































































































































































































































































































































































2010

















































































































Historical population
Census Pop.

1860 8,927
1870 24,237 171.5%
1880 62,976 159.8%
1890 93,864 49.0%
1900 130,197 38.7%
1910 246,131 89.0%
1920 344,177 39.8%
1930 474,883 38.0%
1940 513,011 8.0%
1950 740,315 44.3%
1960 908,209 22.7%
1970 1,073,184 18.2%
1980 1,105,379 3.0%
1990 1,279,182 15.7%
2000 1,443,741 12.9%
2010 1,510,271 4.6%
Est. 2017 1,663,190 [4] 10.1%
U.S. Decennial Census[20]
1790–1960[21] 1900–1990[22]
1990–2000[23] 2010–2015[5]

The 2010 United States Census reported that Alameda County had a population of 1,510,271. The population density was 2,047.6 people per square mile (790.6/km²). The racial makeup of Alameda County was 649,122 (43.0%) White, 190,451 (12.6%) African American, 9,799 (0.6%) Native American, 394,560 (26.1%) Asian (9.7% Chinese, 5.5% Filipino, 4.8% Indian, 2.0% Vietnamese, 1.2% Korean, 0.8% Japanese, 2.2% Other Asian), 12,802 (0.8%) Pacific Islander, 162,540 (10.8%) from other races, and 90,997 (6.0%) from two or more races. Hispanic or Latino of any race were 339,889 persons (22.5%): 16.4% Mexican, 0.8% Puerto Rican, 0.2% Cuban, 5.1% Other Hispanic.[24]


















































































































































































































































































































































































2000


As of the census[26] of 2000, there were 1,443,741 people, 523,366 households, out of which 32.6% had children under the age of 18 living within them, 47.0% married couples living together, 13.0% had a female householder with no husband present, and 35.2% were non-families. 26.0% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.31.


In the county, the population was spread out with 24.6% under the age of 18, 9.6% from 18 to 24, 33.9% from 25 to 44, 21.7% from 45 to 64, and 10.2% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 96.60 males. For every 100 females age 18 and over, there were 94.00 males.


The median income for a household in the county was $55,946, and the median income for a family was $65,857 (these figures had risen to $66,430 and $81,341 respectively as of a 2007 estimate[27]). Males had a median income of $47,425 versus $36,921 for females. The per capita income for the county was $26,680. About 7.7% of families and 11.0% of the population were below the poverty line, including 13.5% of those under age 18 and 8.1% of those age 65 or over.


In 2000, the largest denominational group was the Catholics (with 306,437 adherents) .[28] The largest religious bodies were the Catholic Church (with 306,437 members) and Judaism (with 32,500 members).[28]



Law, government and politics





René C. Davidson Courthouse, Alameda County Superior Court, Oakland, in June 2009



Government



The Government of Alameda County is defined and authorized under the California Constitution, California law, and the Charter of the County of Alameda.[29] Much of the Government of California is in practice the responsibility of county governments such as the Government of Alameda County, while municipalities such as the city of Oakland and the city of Berkeley provide additional, often non-essential services. The County government provides countywide services such as elections and voter registration, law enforcement, jails, vital records, property records, tax collection, and public health. In addition it is the local government for all unincorporated areas, and provides services such as law enforcement to some incorporated cities under a contract arrangement.


It is composed of the elected five-member Alameda County Board of Supervisors (BOS) as the county legislature, several other elected offices and officers including the Sheriff, the District Attorney, Assessor, Auditor-Controller/County Clerk/Recorder, and Treasurer/Tax Collector, and numerous county departments and entities under the supervision of the County Administrator. In addition, several entities of the government of California have jurisdiction conterminous with Alameda County, such as the Alameda County Superior Court.


The current supervisors are:[30]




  • Scott Haggerty, district 1,


  • Richard Valle, district 2,


  • Wilma Chan, district 3,


  • Nate Miley, district 4, and


  • Keith Carson, district 5.


The Board elects a president who presides at all meetings of the Board and appoints committees to handle work involving the major programs of the county. If the president is absent for a meeting, the vice president shall be responsible. A Board election occurs every two years for these positions. Supervisor Miley is serving currently as president; Supervisor Carson is vice president.


The county's law enforcement is overseen by an elected Sheriff/Coroner and an elected District Attorney. The Sheriff supervises the deputies of the Alameda County Sheriff's Office, whose primary responsibilities include policing unincorporated areas of the county and cities within the county which contract with the Sheriff's Office for police services; providing security and law enforcement for county buildings including courthouses, the county jail and other county properties; providing support resources, such as a forensics laboratory and search and rescue capabilities, to other law enforcement agencies throughout the county; and serving the process of the county's Superior Court system. The District Attorney's office is responsible for prosecuting all criminal violations of the laws of the state of California, the county, or its constituent municipalities, in the Alameda County Superior Court. The current Sheriff is Gregory J. Ahern, who was elected in 2006, succeeding Charles Plummer, who had served in the post for 20 years. The Interim District Attorney is Nancy E. O'Malley, who was appointed to fill the position of retiring District Attorney Tom Orloff in September 2009. The Sheriff's Office operates two jails: Santa Rita Jail in Dublin, and Glenn E. Dyer Detention Facility in downtown Oakland.


The Alameda County Fire Department (ACFD)[31] was formed on July 1, 1993, as a dependent district, with the Board of Supervisors as its governing body. Municipal and specialized fire departments have been consolidated into the ACFD over the years. 1993 brought in the Castro Valley and Eden Consolidated FD, and the County Fire Patrol. San Leandro joined in 1995, Dublin in 1997, Lawrence Berkeley National Laboratory in 2002, Lawrence Livermore National Laboratory in 2007, The Alameda County Regional Emergency Communications Center in 2008, and Newark and Union City in 2010. Emeryville joined the ACFD in 2012.


The Alameda County Water District is a special district within Alameda County created to distribute water, but it is not operated by Alameda County administrators. It is operated by an elected board of directors.


Alameda County Superior Court operates in twelve separate locations throughout the county, with its central René C. Davidson Courthouse located in Oakland near Lake Merritt. Most major criminal trials and complex civil cases are heard at this location or in courtrooms within the County Administration Building across the street.



State and federal representation


In the California State Assembly, Alameda County is split between five districts:




  • the 15th Assembly District, represented by Democrat Buffy Wicks,


  • the 16th Assembly District, represented by Democrat Rebecca Bauer-Kahan,


  • the 18th Assembly District, represented by Democrat Rob Bonta,


  • the 20th Assembly District, represented by Democrat Bill Quirk, and


  • the 25th Assembly District, represented by Democrat Kansen Chu.[32]


In the California State Senate, the county is split between three districts:




  • the 7th Senate District, represented by Democrat Steve Glazer,


  • the 9th Senate District, represented by Democrat Nancy Skinner, and


  • the 10th Senate District, represented by Democrat Bob Wieckowski.[33]


In the United States House of Representatives, the county is split between three districts:




  • California's 13th congressional district, represented by Democrat Barbara Lee,


  • California's 15th congressional district, represented by Democrat Eric Swalwell, and


  • California's 17th congressional district, represented by Democrat Ro Khanna.[34]



Politics


Since 1932, Alameda County has been a stronghold of the Democratic Party, with Dwight Eisenhower being the only Republican presidential nominee to have carried the county since. Prior to 1932, the county had been a Republican stronghold. It should be noted that Piedmont resident William F. Knowland was the Republican U.S. Senate Leader from 1953 to 1959. Even when Ronald Reagan won the national popular vote by an 18.3% margin in 1984, Walter Mondale won Alameda County by a slightly larger margin. In 2004 it voted for John Kerry by a margin of over 75%. Every city and town voted Democratic.[35]



Presidential elections results













































































































































































































Alameda County vote
by party in presidential elections
[36]
Year

GOP

DEM
Others

2016
14.54% 95,922

78.06% 514,842
7.40% 48,779

2012
18.12% 108,182

78.69% 469,684
3.19% 19,027

2008
19.19% 119,555

78.52% 489,106
2.29% 14,252

2004
23.29% 130,911

75.18% 422,585
1.53% 8,594

2000
24.13% 119,279

69.36% 342,889
6.50% 32,168

1996
23.07% 106,581

65.77% 303,903
11.16% 51,560

1992
20.62% 109,292

63.04% 334,224
16.34% 86,629

1988
33.99% 162,815

64.78% 310,283
1.23% 5,899

1984
40.01% 192,408

58.65% 282,041
1.34% 6,425

1980
37.96% 158,531

48.30% 201,720
13.74% 57,366

1976
38.09% 155,280

57.89% 235,988
4.03% 16,413

1972
42.84% 201,862

55.02% 259,254
2.14% 10,079

1968
37.63% 153,285

53.90% 219,545
8.48% 34,519

1964
33.46% 142,998

66.42% 283,833
0.12% 509

1960
45.61% 183,354

54.02% 217,172
0.37% 1,474

1956

52.40% 192,911
47.27% 174,033
0.32% 1,187

1952

52.69% 201,976
46.50% 178,239
0.80% 3,079

1948
46.57% 150,588

47.80% 154,549
5.63% 18,194

1944
41.83% 122,982

57.70% 169,631
0.47% 1,374

1940
43.56% 116,961

55.21% 148,224
1.23% 3,311

1936
35.09% 82,352

63.63% 149,323
1.28% 3,011

1932
43.68% 89,303

52.04% 106,388
4.29% 8,761

1928

65.42% 118,539
33.60% 60,875
0.98% 1,780

1924

61.48% 81,454
6.05% 8,020
32.46% 43,016

1920

69.11% 73,177
20.27% 21,468
10.62% 11,244

1916

50.34% 51,417
42.84% 43,748
6.82% 6,966

1912

36.75% 24,418

63.26% 42,034

1908

64.24% 21,380
21.36% 7,110
14.40% 4,793

1904

70.32% 19,065
16.23% 4,399
13.45% 3,646

1900

64.64% 14,324
30.13% 6,677
5.23% 1,158

1896

60.43% 13,429
37.77% 8,394
1.80% 400

1892

47.60% 8,792
38.52% 7,114
13.89% 2,564



According to the California Secretary of State, there are 709,414 registered voters in Alameda County. 401,847 (56.6%) are registered Democrats, 116,864 (16.5%) are registered Republicans, 33,689 (4.8%) are registered to minor political parties, and 157,014 (22.1%) declined to answer. Every city, town, and unincorporated area in Alameda County has more registered Democrats than Republicans.


On November 4, 2008 Alameda County voted 61.92% against Proposition 8, which won statewide, and which amended the California Constitution to ban same-sex marriage. The county garnered the sixth highest "no" vote, by percentage, of all California counties, and was the second largest county, by total voter turnout, to vote against it.[37]



Voter registration statistics

































































Cities by population and voter registration



























































































































































Crime


The following table includes the number of incidents reported and the rate per 1,000 persons for each type of offense.




























































Cities by population and crime rates






























































































































Education


The Alameda County Office of Education oversees seventeen K–12 school districts and one K–8 district in Alameda County. In all, there are approximately 10,000 teachers serving 225,000 students. The ACOE also services three community college districts with a total enrollment of approximately 55,000 students.


The Alameda County Library operates libraries in the cities of Albany, Dublin, Fremont, Newark and Union City and the unincorporated communities of Castro Valley and San Lorenzo. The cities of Alameda, Berkeley, Hayward, Livermore, Oakland, San Leandro, and Pleasanton have their own library systems.



Colleges and universities


Alameda County is home to the University of California, Berkeley, the flagship campus of the University of California system, and one of the largest and most prestigious research universities in the world.


Other colleges and universities located within Alameda county include:



  • Berkeley City College


  • California State University, East Bay, one of the campuses of the California State University system


  • Chabot College, a two-year community college, part of the Chabot-Las Positas Community College District


  • College of Alameda, a two-year community college, part of the Peralta Community College District of northern Alameda County

  • Ex'pression College for Digital Arts


  • Graduate Theological Union, a consortium of several Bay Area seminaries, affiliated with the University of California, Berkeley.

  • Holy Names University


  • Laney College, a two-year community college, part of the Peralta Community College system

  • Las Positas College


  • Merritt College, a two-year community college, part of the Peralta Community College system


  • Mills College, a private 4 year women's college and coeducational graduate school


  • Ohlone College, part of the Ohlone Community College District

  • Samuel Merritt University



School districts (K–12)




  • Alameda Unified School District

  • Albany Unified School District

  • Berkeley Unified School District

  • Castro Valley Unified School District

  • Dublin Unified School District

  • Emery Unified School District

  • Fremont Unified School District

  • Hayward Unified School District

  • Livermore Valley Joint Unified School District

  • Lammersville Joint Unified School District

  • New Haven Unified School District

  • Newark Unified School District

  • Oakland Unified School District

  • Piedmont Unified School District

  • Pleasanton Unified School District

  • San Leandro Unified School District

  • San Lorenzo Unified School District

  • Sunol Glen Unified School District




Arts


The Alameda County Arts Commission, a division of the county administration, under the California Arts Council, was created in 1965. Its fifteen appointed members act in an advisory capacity to the board of supervisors, in promoting the arts. The Oakland Museum of California has a substantial collection of California art works and historical artifacts.



Sports


The following sports teams play in Alameda County:













































Club
Sport
Founded
League
Venue

California Golden Bears

NCAA
1868

NCAA: Pac-12

California Memorial Stadium (Football), Haas Pavilion (Basketball), Evans Diamond (Baseball)

Oakland Athletics

Baseball
1901 (in Oakland since 1968)

Major League Baseball: American League

Oakland–Alameda County Coliseum

Oakland Raiders

American Football
1960 (in Los Angeles from 1982–1994)

National Football League: American Conference. AFC West

Oakland–Alameda County Coliseum

Golden State Warriors

Basketball
1946 (In Oakland since 1971)

National Basketball Association: Western Conference.

Oracle Arena

East Bay FC Stompers

Soccer
2012 (in San Francisco from 2012-2015)

National Premier Soccer League: Golden Gate Conference

Pioneer Stadium


Parks and recreation


There are more than 350 parks located within the county.[42] The East Bay Regional Park District operates within Alameda and neighboring Contra Costa County, with numerous parks within the county, including Tilden Regional Park, Redwood Regional Park, Anthony Chabot Regional Park, Coyote Hills Regional Park, Ardenwood Historic Farm, Pleasanton Ridge Regional Park and Vargas Plateau Regional Park. Eastshore State Park is located partially along the bay shore of northern Alameda County. The San Francisco Bay Trail, a project of the Association of Bay Area Governments, will run along the bay shore of the county.[43] The Hayward Area Recreation and Park District is the largest special park district in California.



Transportation



Major highways





  • I-80 (CA).svg Interstate 80 (Eastshore Freeway)


  • I-238 (CA).svg Interstate 238


  • I-580 (CA).svg Interstate 580 (MacArthur Freeway/Arthur Breed Freeway)


  • I-680 (CA).svg Interstate 680 (Sinclair Freeway)


  • I-880 (CA).svg Interstate 880 (Nimitz Freeway/Cypress Freeway)


  • I-980 (CA).svg Interstate 980 (John B. Williams Freeway)


  • California 13.svg State Route 13 (Warren Freeway/Tunnel Road/Ashby Avenue)


  • California 24.svg State Route 24 (William Byron Rumford Freeway)


  • California 61.svg State Route 61


  • California 84.svg State Route 84


  • California 92.svg State Route 92 (Jackson Street/San Mateo Bridge)


  • California 123.svg State Route 123 (San Pablo Avenue) – formerly US 40 (1961 cutout).svg U.S. Route 40


  • California 185.svg State Route 185 (Mission Boulevard/East 14th Street)


  • California 238.svg State Route 238 (Mission Boulevard/Foothill Boulevard)


  • California 262.svg State Route 262 (Mission Boulevard)




Mass transit




  • ACE train – commuter rail using existing railroad tracks; primarily brings commuters from San Joaquin County to Santa Clara County


  • AC Transit – local bus system in western Alameda County and west Contra Costa County, with additional service across the three bridges from Alameda County to downtown San Francisco, San Mateo, and Palo Alto


  • BART – commuter rail centered on northwest Oakland, primarily serving commuters to downtown San Francisco and downtown Oakland


  • Capitol Corridor – commuter rail using existing railroad tracks, extending from San Jose to Sacramento, running through western Alameda County


  • WHEELS – bus system in the cities of southeastern Alameda County


  • Union City Transit – local city bus service within Union City in addition to AC Transit


  • Emery-Go-Round – free bus service in Emeryville.


  • Alameda / Oakland Ferry and Harbor Bay Ferry – connect Oakland, Alameda, and Bay Farm Island with downtown San Francisco


  • San Joaquin – Amtrak route between Oakland and Bakersfield through Fresno and the Central Valley


  • VTA – commuter service between southern Alameda county and job centers in the Silicon Valley


  • Dumbarton Express – additional service across the Dumbarton Bridge between Fremont and Palo Alto



Airports


The main airport is the Oakland International Airport, with two general aviation airports, the Hayward Executive Airport and Livermore Municipal Airport.



Services


The county operates hospitals and primary care clinics, through the Alameda County Medical Center. The Alameda County Community Food Bank nonprofit provides food bank resources to residents. The Family Emergency Shelter Coalition coordinates services for homeless families.



Landmarks


Alameda County has eight National Historic Landmarks: The Abbey, Joaquin Miller House, First Church of Christ, Scientist, USS Hornet (CVS-12) (aircraft carrier), Lake Merritt Wild Duck Refuge, Lightship WAL-605, Relief, Paramount Theatre, Potomac (Presidential yacht), and Room 307, Gilman Hall, University of California. The county has a large number of National Historic Places, as well as a number of California Historical Landmarks.



Sister county


Alameda has a sister county: Taoyuan County, Taiwan (now Taoyuan City).[44]



Communities



Cities




  • Alameda

  • Albany

  • Berkeley

  • Dublin

  • Emeryville

  • Fremont

  • Hayward

  • Livermore

  • Newark


  • Oakland (county seat)

  • Piedmont

  • Pleasanton

  • San Leandro

  • Union City




Census-designated places



  • Ashland

  • Castro Valley

  • Cherryland

  • Fairview

  • San Lorenzo

  • Sunol



Unincorporated communities




  • Albrae

  • Altamont

  • Asco

  • Baumberg

  • Brightside

  • Brookshire

  • Carpenter

  • Dougherty

  • Dresser

  • East Pleasanton

  • Farwell

  • Hall Station

  • Halvern

  • Kilkare Woods

  • Komandorski Village

  • Lorenzo Station

  • Mattos

  • Mendenhall Springs

  • Midway

  • Mountain House

  • Mowry Landing

  • Radum

  • San Ramon Village

  • Scotts Corner

  • Sorenson

  • Verona




Former townships




Map of Alameda County, 1878 (Six Townships)



  • Oakland Township – the northern portion subsequently became the cities of Berkeley and Albany.

  • Alameda Township – now essentially coterminous with the City of Alameda.

  • Brooklyn Township – mostly contained within Oakland and Piedmont.

  • Eden Township – partly incorporated into San Leandro and Hayward, the rest contains the communities of Castro Valley, San Lorenzo, and other unincorporated areas.

  • Washington Township – contains Union City, Newark, Fremont, and small unincorporated areas nearby.

  • Murray Township – Contains cities of Dublin, Pleasanton, and Livermore, and substantial unincorporated areas including Sunol.



Population ranking


The population ranking of the following table is based on the 2010 census of Alameda County.[45]


county seat

































































































































Rank
City/Town/etc.
Municipal type
Population (2010 Census)



1

Oakland
City
390,724
2

Fremont
City
214,089
3

Hayward
City
144,186
4

Berkeley
City
112,580
5

San Leandro
City
84,950
6

Livermore
City
80,968
7

Alameda
City
73,812
8

Pleasanton
City
70,285
9

Union City
City
69,516
10

Castro Valley
CDP
61,388
11

Dublin
City
46,036
12

Newark
City
42,573
13

San Lorenzo
CDP
23,452
14

Ashland
CDP
21,925
15

Albany
City
18,539
16

Cherryland
CDP
14,728
17

Piedmont
City
10,667
18

Emeryville
City
10,080
19

Fairview
CDP
10,003
20

Sunol
CDP
913


See also




  • Portal-puzzle.svg Alameda County, California portal


  • USS Alameda County (LST-32) the only US Naval vessel named after the county

  • National Register of Historic Places listings in Alameda County, California

  • Solar power in Alameda County



Notes





  1. ^ Other = Some other race + Two or more races


  2. ^ Native American = Native Hawaiian or other Pacific Islander + American Indian or Alaska Native


  3. ^ ab Percentage of registered voters with respect to total population. Percentages of party members with respect to registered voters follow.




References





  1. ^ "Alameda County". Geographic Names Information System. United States Geological Survey. Retrieved January 22, 2015..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ "Discovery Peak". Peakbagger.com. Retrieved March 15, 2015.


  3. ^ "American Fact Finder – Results". United States Census Bureau. Retrieved April 3, 2016.


  4. ^ ab "Population and Housing Unit Estimates". Retrieved March 24, 2018.


  5. ^ ab "State & County QuickFacts". United States Census Bureau. Retrieved April 3, 2016.


  6. ^ About Alameda County – County of Alameda – Superior Court of California. Alameda.courts.ca.gov. Retrieved on 2013-07-15.


  7. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved 2011-06-07.


  8. ^ definition of alameda in Oxford dictionary (American English) (US)


  9. ^ Alameda – Definition and More from the Free Merriam-Webster Dictionary


  10. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved September 24, 2015.


  11. ^ American FactFinder. Factfinder.census.gov. Retrieved on 2013-07-15.


  12. ^ Narula, Svati Kirsten (April 29, 2014). "The 5 U.S. Counties Where Racial Diversity Is Highest—and Lowest". The Atlantic. Retrieved 2017-05-08.


  13. ^ abcdefghijklmnopq U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B02001. American FactFinder Archived September 11, 2013, at the Wayback Machine. Retrieved 2013-10-26.


  14. ^ ab U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B03003. American FactFinder Archived September 11, 2013, at the Wayback Machine. Retrieved 2013-10-26.


  15. ^ ab U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19301. American FactFinder Archived September 11, 2013, at the Wayback Machine. Retrieved 2013-10-21.


  16. ^ ab U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19013. American FactFinder Archived September 11, 2013, at the Wayback Machine. Retrieved 2013-10-21.


  17. ^ ab U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19113. American FactFinder Archived September 11, 2013, at the Wayback Machine. Retrieved 2013-10-21.


  18. ^ ab U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates. American FactFinder Archived September 11, 2013, at the Wayback Machine. Retrieved 2013-10-21.


  19. ^ U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B01003. American FactFinder Archived September 11, 2013, at the Wayback Machine. Retrieved 2013-10-21.


  20. ^ "U.S. Decennial Census". United States Census Bureau. Archived from the original on May 12, 2015. Retrieved September 24, 2015.


  21. ^ "Historical Census Browser". University of Virginia Library. Retrieved September 24, 2015.


  22. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved September 24, 2015.


  23. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved September 24, 2015.


  24. ^ "2010 Census P.L. 94-171 Summary File Data". United States Census Bureau.


  25. ^ "Demographic Profile Bay Area Census".


  26. ^ "American FactFinder". United States Census Bureau. Archived from the original on September 11, 2013. Retrieved 2011-05-14.


  27. ^ Alameda County, California – Fact Sheet – American FactFinder


  28. ^ ab "County Membership Reports". thearda.com. Archived from the original on July 10, 2011. Retrieved 2011-08-22.


  29. ^ California Government Code § 23004


  30. ^ "Board of Supervisors". Alameda County. Retrieved January 22, 2015.


  31. ^ Alameda County Fire Department


  32. ^ "Members Assembly". State of California. Retrieved March 18, 2013.


  33. ^ "Senators". State of California. Retrieved March 18, 2013.


  34. ^ "California's 15th Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved March 9, 2013.


  35. ^ pres_general_ssov_for_all.xls


  36. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved 2018-08-30.


  37. ^ [1] Archived October 18, 2012, at the Wayback Machine


  38. ^ abcdefghijklmnopq California Secretary of State. February 10, 2013 – Report of Registration Archived November 3, 2013, at the Wayback Machine. Retrieved 2013-10-31.


  39. ^ abcdefghij Office of the Attorney General, Department of Justice, State of California. Table 11: Crimes – 2009 Archived December 2, 2013, at the Wayback Machine. Retrieved 2013-11-14.


  40. ^ Only larceny-theft cases involving property over $400 in value are reported as property crimes.


  41. ^ abc United States Department of Justice, Federal Bureau of Investigation. Crime in the United States, 2012, Table 8 (California). Retrieved 2013-11-14.


  42. ^ Alameda County California Parks. California.hometownlocator.com. Retrieved on 2013-07-15.


  43. ^ San Francisco Baytrail. Baytrail.abag.ca.gov. Retrieved on 2013-07-15.


  44. ^ Alameda – Taoyuan Sister County Association – Homepage. Acgov.org. Retrieved on 2013-07-15.


  45. ^ https://www.census.gov/2010census/




External links








  • Official website Edit this at Wikidata

  • map of Alameda County with supervisorial district boundaries

  • Alameda County Fairgrounds – Annual county fair June to July

  • A short film about Alameda County from 1958

  • Short radio episode Baseball from "Lil' Yokohama," by Oakland writer Toshio Mori, 1941. California Legacy Project.

  • Alameda County Fire Department

  • Alameda County Fire Department Training Division

  • Hiking trails in Alameda County, at the Berkeley Wiki website











Coordinates: 37°39′N 121°55′W / 37.65°N 121.91°W / 37.65; -121.91









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