First-level division
🇺🇸 California
Subdivisions
Los Angeles
Population 9,818,605
San Diego County
Population 3,095,313
Orange
Population 3,010,232
Riverside
Population 2,418,185
San Bernardino
Population 2,181,654
Santa Clara County
Population 1,781,642
Alameda
Population 1,510,271
Sacramento
Population 1,418,788
Contra Costa
Population 1,049,025
Fresno
Population 1,035,456
Kern
Population 909,235
San Francisco County
Population 873,965
Ventura
Population 843,843
San Mateo
Population 718,451
San Joaquin
Population 685,306
Stanislaus
Population 552,878
Sonoma
Population 483,878
Tulare
Population 473,117
Monterey
Population 439,035
Santa Barbara
Population 423,895
Solano
Population 413,344
Placer
Population 348,432
Merced
Population 281,202
San Luis Obispo
Population 269,637
Santa Cruz County
Population 262,382
Marin
Population 252,409
Butte
Population 220,000
Yolo
Population 200,849
Shasta
Population 182,155
El Dorado
Population 181,058
Imperial
Population 179,702
Madera
Population 156,255
Kings
Population 152,982
Napa
Population 136,484
Humboldt
Population 136,463
Nevada
Population 98,764
Sutter
Population 94,737
Mendocino
Population 91,601
Yuba
Population 72,155
Lake
Population 64,665
Tehama
Population 63,463
Tuolumne
Population 55,620
San Benito
Population 55,269
Calaveras
Population 45,578
Siskiyou County
Population 44,076
Amador
Population 38,091
Lassen
Population 32,730
Del Norte
Population 28,610
Glenn
Population 28,122
Colusa County
Population 21,419
Plumas
Population 19,790
Mariposa
Population 18,251
Inyo County
Population 18,158
Trinity
Population 16,112
Mono
Population 13,195
Modoc
Population 8,700
Sierra
Population 3,240
Alpine
Population 1,175