Foster Population

2010–2026

46

2026 projection

2.2% since 2020 (increase)

0102030405060201020122014201620182020202220242026

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.
20264600.00%
202546+12.22%
202445+12.27%
202344-12.22%
20224500.00%
20214500.00%
202045-611.76%
201951+12.00%
201850-11.96%
20175100.00%

Showing 10 of 17 years.

Foster Demographics

39.8median age

Median age

Female18.6 yrs
Male58 yrs

Adults

38
17 seniors · 45%21 other adults

Sex

Female 64% · 32Male 36% · 18

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 0.5 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

26% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married26%31%22%
Never married47%31%56%
Divorced5%13%0%
Widowed23%25%22%
Separated0%0%0%

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