# Counties in California by employer firms, 2023

All 58 values come from U.S. Census Bureau for 2023, so the places are comparable.

- Indicator id: `employer_firms`
- Unit: count
- Definition: Number of firms in the private nonfarm sectors covered by the US Census Bureau Business Dynamics Statistics. Establishments under common ownership form one firm.
- Source: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties (https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-11
- Citation: U.S. Census Bureau. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-11.
- Web page: https://invokely.ai/rankings/employer-firms/california-counties

| Rank | Place | count |
|---:|---|---:|
| 1 | Los Angeles County | 220,105 |
| 2 | Orange County | 80,628 |
| 3 | San Diego County | 68,886 |
| 4 | Santa Clara County | 36,608 |
| 5 | Riverside County | 34,083 |
| 6 | Alameda County | 32,199 |
| 7 | San Bernardino County | 31,388 |
| 8 | San Francisco County | 25,746 |
| 9 | Sacramento County | 25,118 |
| 10 | Contra Costa County | 19,485 |
| 11 | Ventura County | 17,396 |
| 12 | San Mateo County | 16,766 |
| 13 | Fresno County | 14,573 |
| 14 | Sonoma County | 11,530 |
| 15 | Kern County | 10,702 |
| 16 | San Joaquin County | 10,265 |
| 17 | Santa Barbara County | 9,787 |
| 18 | Placer County | 9,504 |
| 19 | Marin County | 8,001 |
| 20 | Stanislaus County | 7,606 |
| 21 | Monterey County | 7,222 |
| 22 | San Luis Obispo County | 7,081 |
| 23 | Solano County | 6,011 |
| 24 | Santa Cruz County | 5,828 |
| 25 | Tulare County | 5,454 |
| 26 | El Dorado County | 3,974 |
| 27 | Napa County | 3,761 |
| 28 | Butte County | 3,735 |
| 29 | Shasta County | 3,633 |
| 30 | Yolo County | 3,600 |
| 31 | Merced County | 2,767 |
| 32 | Nevada County | 2,711 |
| 33 | Humboldt County | 2,541 |
| 34 | Imperial County | 2,089 |
| 35 | Mendocino County | 1,970 |
| 36 | Madera County | 1,919 |
| 37 | Sutter County | 1,864 |
| 38 | Kings County | 1,487 |
| 39 | Tuolumne County | 1,083 |
| 40 | San Benito County | 1,008 |
| 41 | Lake County | 883 |
| 42 | Siskiyou County | 837 |
| 43 | Calaveras County | 801 |
| 43 | Tehama County | 801 |
| 45 | Yuba County | 737 |
| 46 | Amador County | 732 |
| 47 | Mono County | 484 |
| 48 | Plumas County | 460 |
| 49 | Glenn County | 432 |
| 50 | Inyo County | 425 |
| 51 | Del Norte County | 355 |
| 52 | Colusa County | 335 |
| 53 | Lassen County | 317 |
| 54 | Mariposa County | 303 |
| 55 | Trinity County | 188 |
| 56 | Modoc County | 141 |
| 57 | Sierra County | 54 |
| 58 | Alpine County | 28 |