US Census Data

Largest by population in California

California counties and cities ranked by population.

This page ranks the counties and cities of California by population — which have the most people, according to the US Census Bureau's American Community Survey 5-year estimates.

Among counties, Los Angeles County leads at 9,848,406.

Among cities & places, Los Angeles leads at 3,857,897.

Counties

#NamePopulation
1Los Angeles County9,848,406
2San Diego County3,282,782
3Orange County3,164,063
4Riverside County2,449,909
5San Bernardino County2,187,816
6Santa Clara County1,903,297
7Alameda County1,651,949
8Sacramento County1,584,047
9Contra Costa County1,161,458
10Fresno County1,012,152
11Kern County910,433
12Ventura County838,259
13San Francisco County836,321
14San Joaquin County787,416
15San Mateo County745,100
16Stanislaus County552,250
17Sonoma County485,642
18Tulare County475,774
19Solano County450,824
20Santa Barbara County443,975
21Monterey County435,834
22Placer County412,435
23Merced County285,597
24San Luis Obispo County281,486
25Santa Cruz County266,021
26Marin County258,765
27Yolo County217,782
28Butte County209,470
29El Dorado County192,299
30Shasta County181,554
31Imperial County179,319
32Madera County158,790
33Kings County152,830
34Napa County136,070
35Humboldt County135,418
36Nevada County102,452
37Sutter County98,971
38Mendocino County90,709
39Yuba County83,079
40Lake County68,139
41San Benito County66,056
42Tehama County65,520
43Tuolumne County54,873
44Calaveras County45,995
45Siskiyou County43,834
46Amador County41,029
47Lassen County31,177
48Glenn County28,623
49Del Norte County27,293
50Colusa County21,895
51Plumas County19,607
52Inyo County18,803
53Mariposa County17,060
54Trinity County15,886
55Mono County13,169
56Modoc County8,646
57Sierra County2,731
58Alpine County1,695

Cities & places

Top 100.
#NamePopulation
1Los Angeles3,857,897
2San Diego1,385,061
3San Jose990,054
4San Francisco836,321
5Fresno543,615
6Sacramento524,802
7Long Beach458,491
8Oakland438,072
9Bakersfield408,366
10Anaheim344,553
11Stockton320,470
12Riverside316,241
13Santa Ana311,639
14Irvine308,160
15Chula Vista275,030
16Santa Clarita229,021
17Fremont228,518
18San Bernardino221,774
19Modesto218,614
20Fontana211,921
21Moreno Valley210,378
22Oxnard201,014
23Huntington Beach196,010
24Glendale192,270
25Ontario178,347
26Elk Grove177,221
27Santa Rosa177,216
28Rancho Cucamonga174,693
29Oceanside172,542
30Garden Grove170,603
31Lancaster170,013
32Palmdale165,487
33Salinas161,993
34Hayward159,201
35Corona158,839
36Sunnyvale153,455
37Roseville152,438
38Escondido149,913
39Pomona148,391
40Torrance143,499
41Visalia142,649
42Fullerton141,278
43Orange138,723
44Pasadena136,462
45Victorville135,983
46Santa Clara129,239
47Simi Valley125,769
48Thousand Oaks125,676
49Vallejo124,637
50Concord124,260
51Clovis122,719
52Berkeley120,223
53Fairfield119,985
54Antioch115,759
55Richmond115,396
56East Los Angeles114,617
57Carlsbad114,500
58Downey111,793
59Murrieta111,621
60Costa Mesa110,538
61Temecula110,404
62San Buenaventura (Ventura)109,900
63Santa Maria109,880
64West Covina107,436
65El Monte107,066
66Menifee107,020
67Jurupa Valley106,244
68Inglewood105,575
69Burbank105,165
70El Cajon104,909
71Rialto103,866
72San Mateo103,555
73Daly City102,560
74Vacaville102,085
75Chico102,032
76Norwalk100,713
77Hesperia100,141
78Vista98,646
79Arden-Arcade96,319
80Tracy95,358
81San Marcos94,078
82Compton93,525
83Carson93,523
84Redding93,268
85Mission Viejo92,415
86South Gate91,836
87Chino91,775
88Santa Monica91,535
89Indio90,669
90Hemet90,646
91Westminster90,147
92Merced89,766
93San Leandro88,531
94Santa Barbara88,024
95Citrus Heights87,036
96Manteca86,521
97Hawthorne85,933
98Whittier85,925
99Livermore85,870
100Lake Forest85,846

Nationwide

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Other rankings in California

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