California's Counties | County Information | Population by County

CA County Population

Updated 2008   By County          By Population      Alameda  1,543,000       Los Angeles  10,363,850 Alpine 1,222   San Diego 3,146,274   Amador 37,943       Orange 3,121,251 Butte  220,407   Riverside 2,088,322   Calaveras 46,127       San Bernardino  2,055,766 Colusa 21,910   Santa Clara 1,820,176   Contra Costa 1,051,674       Alameda  1,543,000 Del Norte 29,419   Sacramento  1,424,415   El Dorado  179,722       Contra Costa 1,051,674 Fresno  931,098   Fresno  931,098   Glenn 29,195       Ventura 831,537 Humboldt 132,821   San Francisco 824,525   Imperial 176,158       Kern 817,517 Inyo 18,152   San Mateo 734,453   Kern 817,517       San Joaquin  680,183 Kings 154,434   Stanislaus 525,903   Lake  64,059       Sonoma 484,470 Lassen 35,757   Tulare 435,254   Los Angeles  10,363,850       Monterey 428,549 Madera  150,887   Solano  423,970   Marin 257,406       Santa Barbara 425,710 Mariposa 18,406   Placer 333,401   Mendocino 90,163       San Luis Obispo  267,154 Merced  255,250   Santa Cruz 265,183   Modoc 9,702       Marin 257,406 Mono 13,759   Merced  255,250   Monterey  428,549       Butte  220,407 Napa  136,704   Yolo 199,066   Nevada  99,186       Shasta 181,380 Orange  3,121,251   El Dorado  179,722   Placer 333,401       Imperial 176,158 Plumas 20,917   Kings 154,434   Riverside  2,088,322       Madera  150,887 Sacramento  1,424,415   Napa  136,704   San Benito  57,784       Humboldt 132,821 San Bernardino  2,055,766   Nevada  99,186   San Diego  3,146,274       Sutter 95,878 San Francisco  824,525   Mendocino 90,163   San Joaquin  680,183       Yuba 71,929 San Luis Obispo  267,154   Lake  64,059   San Mateo  734,453       Tehama 62,419 Santa Barbara  425,710   San Benito  57,784   Santa Clara  1,820,176       Tuolumne  56,799 Santa Cruz  265,183   Calaveras 46,127   Shasta 181,380       Siskiyou 45,695 Sierra 3,400   Amador 37,943   Siskiyou 45,695       Lassen 35,757 Solano 423,970   Del Norte 29,419   Sonoma  484,470       Glenn 29,195 Stanislaus 525,903   Colusa 21,910   Sutter 95,878       Plumas 20,917 Tehama 62,419   Mariposa 18,406   Trinity 13,966       Inyo 18,152 Tulare  435,254   Mono 13,759   Tuolumne  56,799       Trinity 13,966 Ventura  831,587   Modoc 9,702   Yolo 199,066       Sierra 3,400 Yuba 71,929   Alpine 1,222

Source: CA Department of Finance

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