Alameda County, California


Alameda County is a county in the state of California in the United States. As of the 2010 census, the population was 1,510,271, making it the 7th-most populous county in the state. and 20th most populous nationally. The county seat is Oakland. 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. 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–Berkeley, CA Metropolitan Statistical Area, which is also included in the San Jose-San Francisco-Oakland, CA Combined Statistical Area.

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 four weekends from June to July. Attractions include horse racing, carnival rides, 4-H exhibits, and live bands.

Geography

According to the U.S. Census Bureau, the county has a total area of, of which is land and is water. The San Francisco Bay borders the county on the west.
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.

Neighboring countieshttps://viewer.nationalmap.gov/advanced-viewer/

The City and County of San Francisco, California, borders the county on the west, and has a small land border with the city of Alameda, California due to land filling.
Santa Clara County borders the county on the south.
San Joaquin County borders the county on the east.
Contra Costa County borders the county on the north.
Stanislaus County borders the county on the easternmost end of its southern boundary for.

National protected area

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.

2011

Places by population, race, and income

2010

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. The racial makeup of Alameda County was 649,122 White, 190,451 African American, 9,799 Native American, 394,560 Asian, 12,802 Pacific Islander, 162,540 from other races, and 90,997 from two or more races. Hispanic or Latino of any race were 339,889 persons : 16.4% Mexican, 0.8% Puerto Rican, 0.2% Cuban, 5.1% Other Hispanic.

2000

As of the census 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. 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 . The largest religious bodies were the Catholic Church and Judaism.

2018 United States Census American Community Survey estimates

According to 2018 US Census Bureau estimates, Alameda County's population was 38.6% White, 10.3% Black or African American, 30.8% Asian, 12.1% Some Other Race, 0.6% Native American and Alaskan Native, 0.9% Pacific Islander and 6.6% from two or more races.
The White population continues to remain the largest racial category in Alameda County and includes the 34.4% of Hispanics who self-identify as White. The remainder of Hispanics self-identify as Some Other Race, Multiracial, American Indian and Alaskan Native, Black, Asian, and Hawaiian and Pacific Islander.
The Black population continues to decline and at 10.3% is below the national average of 12.7%. The Black population peaked in the 1980 Census at 18.4%. Alameda county has the 2nd highest percentage of Black residents in California after Solano County at 13.4%.
If Hispanics are treated as a separate category from race, Alameda County's population was 30.9% White, 30.6% Asian, 22.4% Hispanic-Latino, 10.1% Black or African American, 0.3% Some Other Race, 0.3% Native American and Alaskan Native, 0.8% Pacific Islander and 4.5% from two or more races.
Asian Americans remain the largest minority group at either 30.8% or 30.6%.
By ethnicity, 22.4% of the total population is Hispanic-Latino and 77.6% is Non-Hispanic. If treated as a category separate from race, Hispanics are the third largest minority group in Alameda County.
The largest ancestry group of Hispanics in Alameda County are of Mexican descent followed by Salvadoran descent, Guatemalan descent, Puerto Rican descent, Spaniard descent, Nicaraguan descent, Peruvian descent, Cuban descent, Colombian descent, and those of other Hispanic ethnicity or of mixed Hispanic ethnicity.

Law, government and politics

Government

The Government of Alameda County is defined and authorized under the California Constitution, California law, and the Charter of the County of Alameda. 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 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:
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 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:
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In the California State Senate, the county is split between three districts:
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In the United States House of Representatives, the county is split between three districts:
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    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. 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.
YearGOPDEMOthers
201614.54% 95,92278.06% 514,8427.40% 48,779
201218.12% 108,18278.69% 469,6843.19% 19,027
200819.19% 119,55578.52% 489,1062.29% 14,252
200423.29% 130,91175.18% 422,5851.53% 8,594
200024.13% 119,27969.36% 342,8896.50% 32,168
199623.07% 106,58165.77% 303,90311.16% 51,560
199220.62% 109,29263.04% 334,22416.34% 86,629
198833.99% 162,81564.78% 310,2831.23% 5,899
198440.01% 192,40858.65% 282,0411.34% 6,425
198037.96% 158,53148.30% 201,72013.74% 57,366
197638.09% 155,28057.89% 235,9884.03% 16,413
197242.84% 201,86255.02% 259,2542.14% 10,079
196837.63% 153,28553.90% 219,5458.48% 34,519
196433.46% 142,99866.42% 283,8330.12% 509
196045.61% 183,35454.02% 217,1720.37% 1,474
195652.40% 192,91147.27% 174,0330.32% 1,187
195252.69% 201,97646.50% 178,2390.80% 3,079
194846.57% 150,58847.80% 154,5495.63% 18,194
194441.83% 122,98257.70% 169,6310.47% 1,374
194043.56% 116,96155.21% 148,2241.23% 3,311
193635.09% 82,35263.63% 149,3231.28% 3,011
193243.68% 89,30352.04% 106,3884.29% 8,761
192865.42% 118,53933.60% 60,8750.98% 1,780
192461.48% 81,4546.05% 8,02032.46% 43,016
192069.11% 73,17720.27% 21,46810.62% 11,244
191650.34% 51,41742.84% 43,7486.82% 6,966
191236.75% 24,41863.26% 42,034
190864.24% 21,38021.36% 7,11014.40% 4,793
190470.32% 19,06516.23% 4,39913.45% 3,646
190064.64% 14,32430.13% 6,6775.23% 1,158
189660.43% 13,42937.77% 8,3941.80% 400
189247.60% 8,79238.52% 7,11413.89% 2,564

The California Secretary of State, as of February 2019, reports that there are 883,942 registered voters in Alameda County. 489,759 are registered Democrats, 95,587 are registered Republicans, 36,649 are registered to minor political parties, and 261,947 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.

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 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:
ClubSportFoundedLeagueVenue
California Golden BearsNCAA1868NCAA: Pac-12California Memorial Stadium, Haas Pavilion, Evans Diamond
Oakland AthleticsBaseball1901 Major League Baseball: American LeagueOakland–Alameda County Coliseum
Oakland PanthersIndoor football2019Indoor Football LeagueOakland Arena
East Bay FC StompersSoccer2012 National Premier Soccer League: Golden Gate ConferencePioneer Stadium

Parks and recreation

There are more than 350 parks located within the county. 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. The Hayward Area Recreation and Park District is the largest special park district in California.

Transportation

Major highways

  • Interstate 80
  • Interstate 238
  • Interstate 580
  • Interstate 680
  • Interstate 880
  • Interstate 980
  • State Route 13
  • State Route 24
  • State Route 61
  • State Route 84
  • State Route 92
  • State Route 123 - formerly U.S. Route 40
  • State Route 185
  • State Route 238
  • State Route 262

    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 , Lake Merritt Wild Duck Refuge, Lightship WAL-605, Relief, Paramount Theatre, Potomac, 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.

Communities

Cities

  • Alameda
  • Albany
  • Berkeley
  • Dublin
  • Emeryville
  • Fremont
  • Hayward
  • Livermore
  • Newark
  • Oakland
  • Piedmont
  • Pleasanton
  • San Leandro
  • Union City

    Census-designated places

  • Ashland
  • Castro Valley
  • Cherryland
  • Fairview
  • San Lorenzo
  • Sunol

    Unincorporated communities

  • Albrae
  • Altamont
  • Asco
  • Baumberg
  • Brightside
  • Carpenter
  • Dougherty
  • Dresser
  • East Pleasanton
  • Farwell
  • 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

  • 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.
county seat
RankCity/Town/etc.Municipal typePopulation
1 OaklandCity390,724
2FremontCity214,089
3HaywardCity144,186
4BerkeleyCity112,580
5San LeandroCity84,950
6LivermoreCity80,968
7AlamedaCity73,812
8PleasantonCity70,285
9Union CityCity69,516
10Castro ValleyCDP61,388
11DublinCity46,036
12NewarkCity42,573
13San LorenzoCDP23,452
14AshlandCDP21,925
15AlbanyCity18,539
16CherrylandCDP14,728
17PiedmontCity10,667
18EmeryvilleCity10,080
19FairviewCDP10,003
20SunolCDP913

Climate

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