Foster Population

2010–2026

80

2026 projection

2.6% since 2020 (increase)

020406080100120201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for Foster. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268000.00%
20258000.00%
202480+11.27%
20237900.00%
202279+11.28%
20217800.00%
202078-3329.73%
2019111-10.89%
201811200.00%
201711200.00%

Showing 10 of 17 years.

Foster Demographics

58.8median age

Median age

Female56 yrs
Male59.5 yrs

Adults

64
18 seniors · 28%46 other adults

Sex

Female 40% · 26Male 60% · 39

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 0.65 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Foster Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%39%72%
Never married23%26%20%
Divorced14%23%0%
Widowed11%13%8%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201