San Mateo County, California: population and components of change
Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.
| Item | Value | As reported |
|---|---|---|
| County | San Mateo County | San Mateo County |
| State | California | California |
| State FIPS code | 06 | 06 |
| County FIPS code | 081 | 081 |
| Census region (code) | 4 | 4 |
| Census division (code) | 9 | 9 |
| Estimates base, April 1, 2020 | 764,659 | 764659 |
| Resident population, July 1, 2020 | 762,727 | 762727 |
| Resident population, July 1, 2021 | 739,330 | 739330 |
| Resident population, July 1, 2022 | 732,485 | 732485 |
| Resident population, July 1, 2023 | 734,267 | 734267 |
| Resident population, July 1, 2024 | 742,893 | 742893 |
| Numeric population change, 2023 to 2024 | 8,626 | 8626 |
| Births, year to July 1, 2024 | 7,176 | 7176 |
| Deaths, year to July 1, 2024 | 4,996 | 4996 |
| Natural change (births minus deaths), year to July 1, 2024 | 2,180 | 2180 |
| International migration, year to July 1, 2024 | 12,450 | 12450 |
| Domestic migration, year to July 1, 2024 | -6,006 | -6006 |
| Residual, year to July 1, 2024 | 2 | 2 |
| Birth rate per 1,000 population, year to July 1, 2024 | 9.7159 | 9.7159414011 |
| Death rate per 1,000 population, year to July 1, 2024 | 6.7643 | 6.7643315551 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 2.9516 | 2.9516098459 |
| International migration rate per 1,000 population, year to July 1, 2024 | 16.8567 | 16.856670909 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -8.1318 | -8.13182052 |
| Group quarters population, July 1, 2024 | 9,483 | 9483 |
Values as reported by the source: county_name=San Mateo County, state_name=California, state_fips=06, county_fips=081, region=4, division=9, estimates_base_2020=764659, pop_2020=762727, pop_2021=739330, pop_2022=732485, pop_2023=734267, pop_2024=742893, npopchg_2024=8626, births_2024=7176, deaths_2024=4996, naturalchg_2024=2180, internationalmig_2024=12450, domesticmig_2024=-6006, residual_2024=2, rbirth_2024=9.7159414011, rdeath_2024=6.7643315551, rnaturalchg_2024=2.9516098459, rinternationalmig_2024=16.856670909, rdomesticmig_2024=-8.13182052, gq_estimates_2024=9483