Stonington is a borough located in Southeastern CT Planning Region, Connecticut. Stonington has a 2025 population of 1,017 . Stonington is currently growing at a rate of 0.49% annually and its population has increased by 2.83% since the most recent census, which recorded a population of 989 in 2020.
The average household income in Stonington is $202,979 with a poverty rate of 7.17%. The median age in Stonington is 62.7 years: 61.5 years for males, and 65.9 years for females. For every 100 females there are 100.0 males.
Data after 2023 is projected based on recent change
The racial composition of Stonington includes 87.9% White, and smaller percentages for Asian, other race, Native American and multiracial populations.
White (87.9%)
Two or more races (10.17%)
Asian (1.28%)
Other race (0.43%)
Native American (0.21%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 821 | 87.9% |
| Two or more races | 95 | 10.17% |
| Asian | 12 | 1.28% |
| Other race | 4 | 0.43% |
| Native American | 2 | 0.21% |
Married
Widowed
Divorced
Separated
Never Married
Stonington's average per capita income is $81,250. Household income levels show a median of $103,333. The poverty rate stands at 7.17%.
Name | Median | Mean |
|---|---|---|
| Married Families | $220,625 | - |
| Families | $181,705 | $277,265 |
| Households | $103,333 | $202,979 |
| Non Families | $72,083 | $152,993 |
Average Income
Median Household Income
Poverty Rate