# Employer firms in San Mateo County

Employer firms in San Mateo County was 16,766 in 2023. Source: U.S. Census Bureau.

- Indicator id: `employer_firms`
- Place id: `us-county-06081`
- 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.
- Note: Excludes nonemployer businesses. Differs from active_companies, the INE DIRCE count, which includes businesses without employees.
- 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
- License: Public domain (US federal government work, citation requested)
- 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/en/employer-firms/san-mateo-county-california
- API: https://invokely.ai/api/v1/series?indicator=employer_firms&place=us-county-06081

| Period | count |
|---|---:|
| 2023 | 16,766 |
| 2022 | 16,679 |
| 2021 | 16,311 |
| 2020 | 16,627 |
| 2019 | 16,599 |
| 2018 | 16,456 |
| 2017 | 16,451 |
| 2016 | 16,433 |
| 2015 | 16,250 |
| 2014 | 15,995 |
| 2013 | 15,712 |
| 2012 | 15,608 |
| 2011 | 15,353 |
| 2010 | 15,220 |
| 2009 | 15,416 |
| 2008 | 15,685 |
| 2007 | 15,816 |
| 2006 | 15,683 |
| 2005 | 15,337 |
| 2004 | 15,157 |
| 2003 | 15,224 |
| 2002 | 15,449 |
| 2001 | 15,771 |
| 2000 | 15,898 |
| 1999 | 15,697 |
| 1998 | 15,555 |
| 1997 | 15,236 |
| 1996 | 15,058 |
| 1995 | 14,822 |
| 1994 | 14,695 |
| 1993 | 14,536 |
| 1992 | 14,667 |
| 1991 | 14,771 |
| 1990 | 14,849 |
| 1989 | 14,556 |
| 1988 | 14,420 |
| 1987 | 14,088 |
| 1986 | 13,877 |
| 1985 | 13,520 |
| 1984 | 13,299 |
| 1983 | 12,736 |
| 1982 | 12,490 |
| 1981 | 12,487 |
| 1980 | 12,263 |
| 1979 | 11,987 |
| 1978 | 11,448 |