Population
|
County
|
10,039,107
|
Los Angeles
|
3,338,330
|
San Diego
|
3,175,692
|
Orange
|
2,470,546
|
Riverside
|
2,180,085
|
San Bernardino
|
1,927,852
|
Santa Clara
|
1,671,329
|
Alameda
|
1,552,058
|
Sacramento
|
1,153,526
|
Contra Costa
|
999,101
|
Fresno
|
900,202
|
Kern
|
881,549
|
San Francisco
|
846,006
|
Ventura
|
767,423
|
San Mateo
|
762,148
|
San Joaquin
|
550,660
|
Stanislaus
|
494,336
|
Sonoma
|
466,195
|
Tulare
|
447,643
|
Solano
|
446,499
|
Santa Barbara
|
|
Population
|
County
|
434,061
|
Monterey
|
398,329
|
Placer
|
283,111
|
San Luis Obispo
|
277,680
|
Merced
|
273,213
|
Santa Cruz
|
258,826
|
Marin
|
220,500
|
Yolo
|
219,186
|
Butte
|
192,843
|
El Dorado
|
181,215
|
Imperial
|
180,080
|
Shasta
|
157,327
|
Madera
|
152,940
|
Kings
|
137,744
|
Napa
|
135,558
|
Humboldt
|
99,755
|
Nevada
|
96,971
|
Sutter
|
86,749
|
Mendocino
|
78,668
|
Yuba
|
|
Population
|
County
|
65,084
|
Tehama
|
64,386
|
Lake
|
62,808
|
San Benito
|
54,478
|
Tuolumne
|
45,514
|
Calaveras
|
43,468
|
Siskiyou
|
38,429
|
Amador
|
30,573
|
Lassen
|
27,976
|
Glenn
|
27,812
|
Del Norte
|
21,454
|
Colusa
|
18,660
|
Plumas
|
17,977
|
Inyo
|
17,420
|
Mariposa
|
14,310
|
Mono
|
12,700
|
Trinity
|
8,907
|
Modoc
|
3,040
|
Sierra
|
1,039
|
Alpine
|
|