Foster City

Population: 32,964
Median household income: $193,633
Median home value: $1,774,500

Foster City, a community in San Mateo County, California, has 32,964 residents. Its median household income of $193,633 runs above the San Mateo County figure of $156,000.

From 2019 to 2023, Foster City's population declined 3.0% from 33,997 to 32,964, while its median home value rose 42.4% from $1,245,800 to $1,774,500.

The typical home was built around 1976. 4.6% of residents live below the poverty line.

Demographics

ACS 2019–2023

Population: 32,964
Median age: 39.7 yrs
Median household income: $193,633
Median home value: $1,774,500
Median gross rent: $3,501
Housing units: 13,408
Homeownership rate: 51.2%
Bachelor's degree or higher: 74.1%
Unemployment rate: 4.8%

Trends

ACS 5-year · 2019–2023

Population

33,99732,964

Median household income

$158,529$193,633

Median home value

$1,245,800$1,774,500

Median gross rent

$3,209$3,501

Year	Population	Median household income	Median home value	Median gross rent
2019	33,997	$158,529	$1,245,800	$3,209
2020	33,056	$163,322	$1,399,600	$3,303
2021	33,511	$173,721	$1,482,500	$3,471
2022	33,215	$191,267	$1,673,100	$3,501
2023	32,964	$193,633	$1,774,500	$3,501

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 56.0%

5 to 1716.2%

18 to 244.8%

25 to 3414.4%

35 to 4417.1%

45 to 5412.5%

55 to 6411.2%

65 to 748.2%

75 and over9.6%

	Count	Share
Under 5	1,989	6.0%
5 to 17	5,338	16.2%
18 to 24	1,588	4.8%
25 to 34	4,751	14.4%
35 to 44	5,628	17.1%
45 to 54	4,112	12.5%
55 to 64	3,687	11.2%
65 to 74	2,703	8.2%
75 and over	3,168	9.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	10,166	30.8%
Black or African American	476	1.4%
American Indian & Alaska Native	47	0.1%
Asian	17,758	53.9%
Native Hawaiian & Pacific Islander	46	0.1%
Some other race	308	0.9%
Two or more races	1,939	5.9%
Hispanic or Latino (any race)	2,224	6.7%

Educational attainment (age 25+)

No high school diploma4.1%

High school graduate6.2%

Some college or associate's15.6%

Bachelor's degree34.0%

Graduate or professional degree40.1%

	Count	Share
No high school diploma	991	4.1%
High school graduate	1,487	6.2%
Some college or associate's	3,756	15.6%
Bachelor's degree	8,181	34.0%
Graduate or professional degree	9,634	40.1%

Commute to work

Mean travel time to work: 31 min

Drove alone55.1%

Carpooled7.1%

Public transit3.9%

Walked1.5%

Bicycle1.1%

Worked from home30.1%

Other means1.3%

How workers get to work

	Count	Share
Drove alone	9,172	55.1%
Carpooled	1,179	7.1%
Public transit	653	3.9%
Walked	245	1.5%
Bicycle	176	1.1%
Worked from home	5,016	30.1%
Other means	212	1.3%

Travel time

	Count	Share
Under 15 min	2,289	19.7%
15 to 29 min	3,618	31.1%
30 to 44 min	2,886	24.8%
45 to 59 min	1,466	12.6%
60+ min	1,378	11.8%

Households

Average household size: 2.54
Poverty rate: 4.6% (1,516 of 32,700)

	Count	Share
Family households	8,873	69.0%
Nonfamily households	3,992	31.0%

Housing

Median year structure built: 1976

Occupancy

	Count	Share
Occupied	12,865	96.0%
Vacant	543	4.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	6,581	51.2%
Renter-occupied	6,284	48.8%

1-unit, detached35.0%

1-unit, attached18.7%

2 to 4 units7.8%

5 to 19 units12.7%

20 or more units25.7%

Mobile home & other0.1%

Units in structure

	Count	Share
1-unit, detached	4,687	35.0%
1-unit, attached	2,510	18.7%
2 to 4 units	1,048	7.8%
5 to 19 units	1,703	12.7%
20 or more units	3,450	25.7%
Mobile home & other	10	0.1%

Geography

Place GEOID: 0625338
Type (LSAD): 25
Land area: 3.79 sq mi
Water area: 16 sq mi
Center point: 37.5648, -122.2508