Counties in California
California has 58 counties. Each county profile includes income, poverty, housing costs, educational attainment, demographics, and employment data from the U.S. Census Bureau ACS 5-Year Estimates.
Counties often vary dramatically within a state — a metro-area county may have median incomes double that of a rural neighbor. Use the topic rankings below to see exactly how California's counties compare on any measure.
California Counties by Income
California Counties by Poverty
California Counties by Home Values
California Counties by Education
California Counties by Diversity
Alameda County
Pop. 1,651,949
Alpine County
Pop. 1,695
Amador County
Pop. 41,029
Butte County
Pop. 209,470
Calaveras County
Pop. 45,995
Colusa County
Pop. 21,895
Contra Costa County
Pop. 1,161,458
Del Norte County
Pop. 27,293
El Dorado County
Pop. 192,299
Fresno County
Pop. 1,012,152
Glenn County
Pop. 28,623
Humboldt County
Pop. 135,418
Imperial County
Pop. 179,319
Inyo County
Pop. 18,803
Kern County
Pop. 910,433
Kings County
Pop. 152,830
Lake County
Pop. 68,139
Lassen County
Pop. 31,177
Los Angeles County
Pop. 9,848,406
Madera County
Pop. 158,790
Marin County
Pop. 258,765
Mariposa County
Pop. 17,060
Mendocino County
Pop. 90,709
Merced County
Pop. 285,597
Modoc County
Pop. 8,646
Mono County
Pop. 13,169
Monterey County
Pop. 435,834
Napa County
Pop. 136,070
Nevada County
Pop. 102,452
Orange County
Pop. 3,164,063
Placer County
Pop. 412,435
Plumas County
Pop. 19,607
Riverside County
Pop. 2,449,909
Sacramento County
Pop. 1,584,047
San Benito County
Pop. 66,056
San Bernardino County
Pop. 2,187,816
San Diego County
Pop. 3,282,782
San Francisco County
Pop. 836,321
San Joaquin County
Pop. 787,416
San Luis Obispo County
Pop. 281,486
San Mateo County
Pop. 745,100
Santa Barbara County
Pop. 443,975
Santa Clara County
Pop. 1,903,297
Santa Cruz County
Pop. 266,021
Shasta County
Pop. 181,554
Sierra County
Pop. 2,731
Siskiyou County
Pop. 43,834
Solano County
Pop. 450,824
Sonoma County
Pop. 485,642
Stanislaus County
Pop. 552,250
Sutter County
Pop. 98,971
Tehama County
Pop. 65,520
Trinity County
Pop. 15,886
Tulare County
Pop. 475,774
Tuolumne County
Pop. 54,873
Ventura County
Pop. 838,259
Yolo County
Pop. 217,782
Yuba County
Pop. 83,079