Population
|
County
|
10,014,009
|
Los Angeles
|
3,298,634
|
San Diego
|
3,186,989
|
Orange
|
2,418,185
|
Riverside
|
2,181,654
|
San Bernardino
|
1,936,259
|
Santa Clara
|
1,682,353
|
Alameda
|
1,585,055
|
Sacramento
|
1,165,927
|
Contra Costa
|
1,008,654
|
Fresno
|
909,235
|
Kern
|
873,965
|
San Francisco
|
843,843
|
Ventura
|
779,233
|
San Joaquin
|
764,442
|
San Mateo
|
552,878
|
Stanislaus
|
488,863
|
Sonoma
|
473,117
|
Tulare
|
453,491
|
Solano
|
448,229
|
Santa Barbara
|
|
Population
|
County
|
439,035
|
Monterey
|
404,739
|
Placer
|
282,424
|
San Luis Obispo
|
281,202
|
Merced
|
270,861
|
Santa Cruz
|
262,231
|
Marin
|
216,403
|
Yolo
|
211,632
|
Butte
|
191,185
|
El Dorado
|
182,155
|
Shasta
|
179,702
|
Imperial
|
156,255
|
Madera
|
152,940
|
Kings
|
138,019
|
Napa
|
136,463
|
Humboldt
|
102,241
|
Nevada
|
99,633
|
Sutter
|
91,601
|
Mendocino
|
81,575
|
Yuba
|
|
Population
|
County
|
68,163
|
Lake
|
65,829
|
Tehama
|
64,209
|
San Benito
|
55,620
|
Tuolumne
|
45,292
|
Calaveras
|
44,076
|
Siskiyou
|
40,474
|
Amador
|
32,730
|
Lassen
|
28,917
|
Glenn
|
27,743
|
Del Norte
|
21,839
|
Colusa
|
19,790
|
Plumas
|
19,016
|
Inyo
|
17,131
|
Mariposa
|
16,112
|
Trinity
|
13,195
|
Mono
|
8,700
|
Modoc
|
3,236
|
Sierra
|
1,204
|
Alpine
|
|