Foster Flag

Foster

County Seat:
No
Area (mi²):
50.752
State:
Rhode Island

Foster is located in Providence County, Rhode Island. Foster has a 2025 population of 4,545. Foster is currently growing at a rate of 0.58% annually and its population has increased by 1.7% since the most recent census, which recorded a population of 4,469 in 2020.

The average household income in Foster is $125,221 with a poverty rate of 3.91%.The median age in Foster is 46.5 years: 47.7 years for males, and 46.1 years for females.

4.5K
Total Population
90
Density (mi²)
26 0.58%
Growth

Foster Population

Foster Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Foster includes 87.17% White, and smaller percentages for Black or African American, Asian, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White3,90687.17%
Two or more races48410.8%
Black or African American781.74%
Asian110.25%
Other race20.04%

Foster Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Foster's average per capita income is $56,474. Household income levels show a median of $110,782. The poverty rate stands at 3.91%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$139,792-
Families$114,018$135,558
Households$110,782$125,221
Non Families$57,969$74,680

$56,474

Average Income

$110,782

Median Household Income

3.91%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)