Population 2010

9,818,605

Population 2020

10,014,009

Registered Voters

Republicans

965,584

Democrat

2,993,744

Minor Party

250,905

No Party

1,342,080

Municipalities

City/Town/etc.Population 2020
Los Angeles3,898,747
Long Beach466,742
Santa Clarita228,673
Glendale196,543
Lancaster173,516
Palmdale169,450
Pomona151,713
Torrance147,067
Pasadena138,699
East Los Angeles118,786
Downey114,355
West Covina109,501
El Monte109,450
Inglewood107,762
Burbank107,337
Norwalk102,773
Compton95,740
Carson95,558
Santa Monica93,076
South Gate92,726
Hawthorne88,083
Whittier87,306
Alhambra82,868
Lakewood82,496
Bellflower79,190
Baldwin Park72,176
Redondo Beach71,576
Lynwood67,265
Montebello62,640
Pico Rivera62,088
Florence-Graham61,983
Monterey Park61,096
Gardena61,027
Arcadia56,681
South Whittier56,415
Diamond Bar55,072
Huntington Park54,883
Hacienda Heights54,191
Paramount53,733
Glendora52,558
Covina51,268
Rosemead51,185
Azusa50,000
Cerritos49,578
Rowland Heights48,231
La Mirada48,008
Altadena42,846
Rancho Palos Verdes42,287
Culver City40,779
San Gabriel39,568
Bell Gardens39,501
La Puente38,062
Monrovia37,931
Claremont37,266
Temple City36,494
West Hollywood35,757
Manhattan Beach35,506
San Dimas34,924
Westmont33,913
Bell33,559
Beverly Hills32,701
Lawndale31,807
La Verne31,334
Walnut28,430
South Pasadena26,943
West Whittier-Los Nietos25,325
Maywood25,138
West Rancho Dominguez24,347
Willowbrook24,295
San Fernando23,946
Calabasas23,241
West Puente Valley22,959
West Carson22,870
Cudahy22,811
East San Gabriel22,769
Valinda22,437
Duarte21,727
Lomita20,921
La Cañada Flintridge20,573
Lennox20,323
Agoura Hills20,299
Stevenson Ranch20,178
La Crescenta-Montrose19,997
South San Jose Hills19,855
Hermosa Beach19,728
South El Monte19,567
Santa Fe Springs19,219
Castaic18,937
El Segundo17,272
Artesia16,395
Vincent15,714
Walnut Park15,214
East Rancho Dominguez15,114
Hawaiian Gardens14,149
Palos Verdes Estates13,347
Avocado Heights13,317
Lake Los Angeles13,187
San Marino12,513
Commerce12,378
Sun Village12,345
Signal Hill11,848
Quartz Hill11,447
View Park-Windsor Hills11,419
Marina del Rey11,373
Sierra Madre11,268
Malibu10,654
East Whittier10,394
Del Aire10,338
Citrus10,243
Charter Oak9,739
West Athens9,393
Alondra Park8,569
Topanga8,560
Rolling Hills Estates8,280
Westlake Village8,029
South San Gabriel7,920
Acton7,431
Ladera Heights6,654
South Monrovia Island6,515
East Pasadena6,021
La Habra Heights5,682
Mayflower Village5,402
North El Monte3,730
Avalon3,460
Agua Dulce3,451
Rose Hills2,927
Desert View Highlands2,676
Val Verde2,399
San Pasqual2,101
Rolling Hills1,739
Hidden Hills1,725
Elizabeth Lake1,651
Leona Valley1,555
Littlerock1,535
Irwindale1,472
Hasley Canyon1,195
Green Valley1,036
Bradbury921
Lake Hughes544
Industry264
Vernon222

Superintendent of Schools

Treasurer / Tax Collector

County Commission

First DistrictHilda L. Solis
Second DistrictHolly J. Mitchell
Third DistrictSheila Kuehl
Fourth DistrictJanice Hahn
Fifth DistrictKathryn Barger

School Board

Brief Political History

In the United States House of Representatives, Los Angeles County is split between 18 congressional districts. In the California State Senate, Los Angeles County is split between 15 legislative districts. In the California State Assembly, Los Angeles County is split between 24 legislative districts.

On November 4, 2008, Los Angeles County was almost evenly split over Proposition 8, which amended the California Constitution to ban same-sex marriages. The county voted for the amendment 50.04% with a margin of 2,385 votes.

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