California Gazetteer
Also See Foster City, CA: ZIP Codes & Maps
The City of Foster City had a population of 32,792 as of 2020-2024 American Community Survey 5-Year Estimates. Foster City ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.
The primary coordinate point for Foster City is located at latitude 37.5585 and longitude -122.2711 in San Mateo County. The formal boundaries for the City of Foster City encompass a land area of 3.8 sq. miles and a water area of 16.05 sq. miles. San Mateo County is in the Pacific time zone (GMT -8).
The City of Foster City has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Foster City is located within San Mateo CCD of San Mateo County.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 32,792 (100%) |
| Population Density | 8,659 per sq mi |
| Diversity Index1 | 61 |
INCOME | |
| Median Household Income | $199,143 |
| Per Capita Income | $98,585 |
| Median Home Value | $1,838,200 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 13,617 (100%) |
| Owner Occupied HU | 6,606 (48.5%) |
| Renter Occupied HU | 6,392 (46.9%) |
| Vacant Housing Units | 619 (4.5%) |
HOUSEHOLDS | |
| Total Households | 12,998 |
| Average Household Size | 2.51 |
| Family Households | 8,739 (67.2%) |
The table below compares Foster City to the other 1,618 incorporated cities, towns and CDPs in California by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 248 | 85th |
| Population Density | # 89 | 95th |
| Median Household Income | # 109 | 93rd |
| Per Capita Income | # 110 | 93rd |
| Diversity Index | # 320 | 80th |
Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.
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