Tool
Compare places
Put up to four U.S. cities, towns or census-designated places side by side on 29 figures: 22 measures from the ACS 2020-2024 5-year estimates, each with its margin, and their 2025 population estimate, growth, density, new homes and housing costs against income. A filled square marks a figure that differs from the first place by more than both margins of error allow; without it, the survey cannot tell the two apart.
How do Foster City, CA compare?
| Figure | Foster City, CA |
|---|---|
| Residents, July 2025 (estimate) | 32,411 |
| Change since April 2020 | −4.1% |
| Residents counted in the 2020 Census | 33,805 |
| Residents per square mile (2020) | 8,927 |
| Homes permitted in 2025 per 1,000 residents | – |
| Median home value ÷ median household income | 9.2 years of income |
| A year of median rent ÷ median income of all households (renters usually earn less) | 21.1% |
| Measure | Foster City, CA |
|---|---|
| Total population | 32,792±53 |
| Median age | 39.5±1.5 |
| Hispanic or Latino (any race) | 7.1%±1.4 pts |
| White alone, not Hispanic | 28.9%±2.3 pts |
| Black or African American alone, not Hispanic | 1.6%±0.7 pts |
| Asian alone, not Hispanic | 54.3%±2.6 pts |
| Born outside the United States | 49.5%±2.4 pts |
| Bachelor's degree or higher (age 25+) | 73.8%±2.1 pts |
| Median household income | $199,143±$11,786 |
| Per capita income | $98,585±$4,705 |
| People below the poverty line | 4.1%±1.1 pts |
| Unemployment rate | 4.9%±1.2 pts |
| Median home value (owner-occupied) | $1,838,200±$78,375 |
| Median gross rent | $3,500 or more |
| Renters paying 35% or more of income on rent | 33.9%±5.0 pts |
| Owner-occupied homes | 50.8%±2.7 pts |
| Built 2020 or later | 1.2%±0.8 pts |
| Worked from home | 34.2%±2.9 pts |
| Drove alone to work | 51.8%±3.3 pts |
| Public transportation | 2.9%±0.8 pts |
| Mean travel time to work | 29.4 min±1.4 |
| No health insurance coverage | 2.2%±0.7 pts |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census Bureau population estimates, Vintage 2025; 2020 Census; Building Permits Survey 2025 · Check it at data.census.gov