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CITY · 2010 ACS

Foster City

California · 30,567 residents · 3.79 sq mi
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The short version

Foster City is a city of 30,567 people in California. 62% of adults hold a bachelor's degree, against 28% nationally. Home values have risen by half since 2000, reaching $851,900. Households here earn about 83% more than in California as a whole. 39% of residents were born outside the United States. Renters pay $1,918 a month at the median.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 39.3
US median: 37.2
More educated
62% hold a bachelor's degree
US average: 28%
Less affordable
home values up 27%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

30,567
+6%since 2000
from 28,803 in 2000
1990 – 2025
39.3
+3%since 2000
from 38.1 in 2000
US average: 37.2
Land area
3.79 sq mi
Population, 19902024
28K29K31K33K35K19902000201020202024Foster City
202433K
1990201020202024
Age distribution, 2010
Under 56.8%(2,083)
US avg: 6.5%
5 to 97.1%(2,158)
US avg: 6.6%
10 to 145.7%(1,744)
US avg: 6.7%
15 to 194.4%(1,336)
US avg: 7.1%
20 to 243.7%(1,118)
US avg: 7%
25 to 3414.6%(4,458)
US avg: 13.3%
35 to 4417.5%(5,343)
US avg: 13.3%
45 to 5414.6%(4,461)
US avg: 14.6%
55 to 6412.3%(3,762)
US avg: 11.8%
65 to 748.1%(2,479)
US avg: 7%
75 to 844%(1,231)
US avg: 4.2%
85 and over1.3%(394)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$111,563
−8%inflation adjusted, since 2000
from $95,279 in 2000
US average: $52,703
1990 – 2024
$52,363
+14%since 2000
from $45,754 in 2000
US average: $27,286
Households earning $100K+
70.4%
−1.3 ptssince 2009
from 71.6% in 2009
US average: 33.3%
4.4%
+1.5 ptssince 2000
from 2.9% in 2000
US average: 13.8%
0.390
US average: 0.461
Workforce by industry, 2010
Retail trade12%
US avg: 10.9%
Information9.4%
US avg: 11.5%
Other services9.1%
US avg: 7%
Public administration6.9%
US avg: 4.9%
Arts, entertainment, food5.1%
US avg: 2.4%
Finance & insurance4.9%
US avg: 5.1%
Professional, scientific, technical4%
US avg: 4.2%
Transportation & warehousing3.7%
US avg: 3.1%
Wholesale trade2.6%
US avg: 7.2%
Education & health services0.9%
US avg: 0.9%
Agriculture, forestry, fishing0.3%
US avg: 1.9%
Construction0.3%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$851,900
+27%inflation adjusted, since 2000
from $530,200 in 2000
US average: $225,659
1990 – 2024
$1,918
−7%inflation adjusted, since 2000
from $1,620 in 2000
US average: $853
57.9%
−3.6 ptssince 2000
from 61.5% in 2000
42.1% rent
4.4%
−0.6 ptssince 2009
from 4.9% in 2009
US average: 12.1%
2.54 people
Unchangedsince 2009
from 2.54 people in 2009
US average: 2.60
38.0%
−0.5 ptssince 2009
from 38.5% in 2009
US average: 30.9%
32.9%
+1.8 ptssince 2009
from 31.1% in 2009
US average: 46.8%
7.6
+1%since 2009
from 7.5 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic55.9%(16,090)
Black2.1%(595)
Hispanic / Latino5.3%(1,531)
Asian32.4%(9,339)
Other0%
2010
White, non-Hispanic42%(12,829)
Black1.8%(545)
Hispanic / Latino6.5%(1,995)
Asian44.8%(13,691)
Other5.5%(1,690)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican3.2%(955)
Salvadoran1%(304)
Nicaraguan0.6%(167)
Bolivian0.3%(103)
Puerto Rican0.2%(71)
Spaniard0.2%(70)
Argentine0.1%(37)
Peruvian0.1%(32)
Colombian0.1%(25)
Paraguayan0.1%(16)
+ 3 more hispanic origin groups with data
Ancestry
German9.8%(2,923)
Irish6.1%(1,818)
Italian5.7%(1,693)
English5.6%(1,677)
Russian3.9%(1,168)
French2.7%(817)
Arab2.5%(750)
Polish2.2%(649)
Iranian1.9%(572)
Scottish1.4%(414)
Lebanese1.2%(360)
Swedish1.2%(352)
+ 38 more ancestry groups with data
Norwegian1.1%(324)
American1%(286)
Egyptian0.8%(245)
Portuguese0.8%(243)
Dutch0.8%(237)
Scotch-Irish0.7%(211)
British0.6%(193)
Greek0.6%(175)
Ukrainian0.6%(173)
Welsh0.6%(164)
Swiss0.5%(142)
Armenian0.5%(139)
Turkish0.4%(127)
Danish0.4%(125)
Czech0.4%(123)
Canadian0.3%(86)
Austrian0.3%(79)
Slovak0.2%(64)
West Indian0.2%(53)
Croatian0.1%(44)
Moroccan0.1%(35)
Jamaican0.1%(34)
Hungarian0.1%(28)
Lithuanian0.1%(27)
Israeli0.1%(25)
Finnish0.1%(22)
Brazilian0.1%(20)
Romanian0.1%(16)
Jordanian0%(14)
Slovene0%(13)
Belgian0%(12)
Serbian0%(12)
Guyanese0%(10)
Syrian0%(3)
Section 05

Education

62.2%
+2.4 ptssince 2000
from 59.8% in 2000
US average: 27.9%
High school or higher
96.3%
+0.7 ptssince 2000
from 95.6% in 2000
US average: 84.9%
27.0%
+2.8 ptssince 2000
from 24.2% in 2000
US average: 10.2%
Section 06

Commute & transportation

26.4 min
+41%since 2000
from 18.7 min in 2000
US average: 25.2
77.9%
+0.8 ptssince 2009
from 77.1% in 2009
US average: 76.2%
9.4%
+0.2 ptssince 2009
from 9.2% in 2009
US average: 10.4%
3.2%
−0.2 ptssince 2009
from 3.4% in 2009
US average: 4.7%
6.6%
−0.1 ptssince 2009
from 6.7% in 2009
US average: 4.1%
1.5%
−0.6 ptssince 2009
from 2.1% in 2009
US average: 2.8%
0.7%
−0.1 ptssince 2009
from 0.9% in 2009
US average: 0.5%
2.8%
+1.1 ptssince 2009
from 1.8% in 2009
US average: 8.7%
Section 07

Work & employment

10.2%
+0.2 ptssince 2009
from 10.0% in 2009
US average: 12.9%
61.8%
+1.8 ptssince 2009
from 60.0% in 2009
US average: 35.2%
Section 08

People & community

48.6%
−1.7 ptssince 2009
from 50.3% in 2009
51.4%
+1.7 ptssince 2009
from 49.7% in 2009
39.2%
+2.0 ptssince 2009
from 37.2% in 2009
US average: 12.8%
6.3%
−0.7 ptssince 2009
from 7.0% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married30.2%(3,809)
Married64%(8,072)
Widowed2%(256)
Divorced3.8%(484)
Women 15+
Never married23.9%(3,351)
Married61.3%(8,589)
Widowed8.5%(1,194)
Divorced6.2%(867)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

2.2%
−1.9 ptssince 2013
from 4.1% in 2013
US average: 8.4%
74.9%
−2.4 ptssince 2020
from 77.3% in 2020
US average: 54.8%
Direct-purchase
15.1%
+0.9 ptssince 2020
from 14.2% in 2020
US average: 13.8%
17.0%
+1.5 ptssince 2020
from 15.5% in 2020
US average: 18.4%
7.3%
−0.6 ptssince 2020
from 7.9% in 2020
US average: 20.9%
VA health care
0.7%
−0.1 ptssince 2020
from 0.8% in 2020
US average: 2.2%
Any private
86.8%
−0.9 ptssince 2020
from 87.7% in 2020
US average: 67.1%
Any public
21.4%
+0.2 ptssince 2020
from 21.2% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)17%(102)
US avg: 26.4%
Gulf War (1990s)13.5%(81)
US avg: 24.3%
Vietnam era38.2%(229)
US avg: 33.1%
Korean War13.3%(80)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 600 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Foster City, California?

Foster City, California has about 30,567 residents according to the 2010 American Community Survey.

What is the median household income in Foster City, California?

The typical household in Foster City, California earns about $111,563 a year. Half of households make more than that, and half make less.

Is Foster City, California expensive?

In Foster City, California, the median home is worth about $851,900, and the typical rent is about $1,918 a month.

How educated are people in Foster City, California?

About 62.2% of adults age 25 and over in Foster City, California hold a bachelor's degree or higher.

What is the poverty rate in Foster City, California?

About 4.4% of people in Foster City, California live below the federal poverty line.

Has Foster City, California grown since 1990?

Yes, Foster City, California has grown since 1990. The population has added about 2,391 residents, a change of about 8 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →