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California counties

58counties

3,118historic places

—newspaper titles

History layers

Statewide

58 counties have formation records (oldest: Butte County, 1850). 58 counties have decade population series. 21 counties have nearby NPS units. 58 counties have GNIS places (1,312 cemeteries statewide in this extract).

See each county page for charts, formation parents, NPS sites, cemeteries, battlefields, and HMdb links.

Alameda County 163 places
Alpine County 2 places
Amador County 22 places
Butte County 28 places
Calaveras County 17 places
Colusa County 6 places
Contra Costa County 51 places
Del Norte County 12 places
El Dorado County 22 places
Fresno County 45 places
Glenn County 3 places
Humboldt County 59 places
Imperial County 10 places
Inyo County 19 places
Kern County 26 places
Kings County 4 places
Lake County 7 places
Lassen County 6 places
Los Angeles County 629 places
Madera County 4 places
Marin County 56 places
Mariposa County 46 places
Mendocino County 45 places
Merced County 16 places
Modoc County 18 places
Mono County 5 places
Monterey County 64 places
Napa County 88 places
Nevada County 26 places
Orange County 135 places
Placer County 36 places
Plumas County 6 places
Riverside County 104 places
Sacramento County 112 places
San Benito County 15 places
San Bernardino County 113 places
San Diego County 161 places
San Francisco County 210 places
San Joaquin County 35 places
San Luis Obispo County 38 places
San Mateo County 64 places
Santa Barbara County 53 places
Santa Clara County 121 places
Santa Cruz County 46 places
Shasta County 28 places
Sierra County 14 places
Siskiyou County 20 places
Solano County 34 places
Sonoma County 82 places
Stanislaus County 24 places
Sutter County 3 places
Tehama County 10 places
Trinity County 4 places
Tulare County 36 places
Tuolumne County 35 places
Ventura County 45 places
Yolo County 24 places
Yuba County 11 places