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.
Data after 2023 is projected based on recent change
The racial composition of Foster includes 87.17% White, and smaller percentages for Black or African American, Asian, other race and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 3,906 | 87.17% |
Two or more races | 484 | 10.8% |
Black or African American | 78 | 1.74% |
Asian | 11 | 0.25% |
Other race | 2 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
---|---|---|
Married Families | $139,792 | - |
Families | $114,018 | $135,558 |
Households | $110,782 | $125,221 |
Non Families | $57,969 | $74,680 |
Average Income
Median Household Income
Poverty Rate