County index

All counties in California

58 counties tracked (58 with GDP, ranked by GDP where available, BEA 2025). The California page shows the top 24 alongside the rest of the state's economy.

1Los Angeles$1.0T 2Santa Clara$438.5B 3Orange$351.8B 4San Diego$331.9B 5San Francisco$268.3B 6San Mateo$217.0B 7Alameda$182.5B 8San Bernardino$137.9B 9Sacramento$135.5B 10Riverside$134.8B 11Contra Costa$96.6B 12Ventura$69.6B 13Fresno$64.2B 14Kern$63.1B 15San Joaquin$46.5B 16Santa Barbara$41.4B 17Sonoma$39.4B 18Monterey$38.3B 19Solano$37.7B 20Marin$36.9B 21Placer$34.3B 22Stanislaus$32.1B 23Tulare$25.4B 24San Luis Obispo$24.5B 25Santa Cruz$21.1B 26Yolo$20.5B 27Napa$14.6B 28Merced$13.3B 29Imperial$12.9B 30Butte$12.9B 31Shasta$11.9B 32El Dorado$11.6B 33Kings$9.2B 34Madera$8.8B 35Humboldt$7.6B 36Nevada$6.2B 37Sutter$5.2B 38Mendocino$4.7B 39Yuba$4.5B 40Tuolumne$3.3B 41San Benito$3.3B 42Tehama$2.9B 43Lake$2.7B 44Siskiyou$2.3B 45Amador$2.1B 46Calaveras$2.1B 47Colusa$2.0B 48Mono$1.6B 49Inyo$1.6B 50Plumas$1.5B 51Lassen$1.5B 52Glenn$1.5B 53Del Norte$1.1B 54Mariposa$1.0B 55Modoc$687.7M 56Trinity$598.3M 57Alpine$146.3M 58Sierra$127.2M

GDP: BEA (2025), USD-normalized, county level. Counties without a published GDP figure are ranked by population and labeled accordingly.