California / Census place 0625338

Foster City

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Foster City city

At a glance

A city in numbers.

Population
32,411
2025 estimate
Annual change
-0.3%
Population estimate
Density
8,558/sq mi
3.8 sq mi land area
Median age
39.5 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$199,143
Median home value
$1,838,200
Median gross rent
$3,501
Bachelor’s degree or higher
73.8%
Typical commute
29.4 min
Public transit commute
2.9%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: HAYWARD AIR TERMINAL (8 mi from place center)
Average high
68.5°F
Average low
50.8°F
Annual rainfall
16"
Annual snowfall
0"

Month by month

A year in Foster City.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

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Population, housing, work, and travel data for this Census place.

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Median home
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Population, housing, work, and travel data for this Census place.

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Median home
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Population, housing, work, and travel data for this Census place.

Population
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Median home
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Keep exploring

Compare Foster City with Manhattan Beach