Darien is located in Western CT Planning Region, Connecticut. Darien has a 2025 population of 22,866 . Darien is currently growing at a rate of 1.5% annually and its population has increased by 6.63% since the most recent census, which recorded a population of 21,445 in 2020.
The average household income in Darien is $455,045 with a poverty rate of 5.97%. The median age in Darien is 39.7 years: 37.7 years for males, and 41.7 years for females. For every 100 females there are 101.8 males.
Data after 2023 is projected based on recent change
The racial composition of Darien includes 84.3% White, 6.83% Asian, and smaller percentages for other race, Black or African American, Native American and multiracial populations.
White (84.3%)
Asian (6.83%)
Two or more races (6.83%)
Other race (1.52%)
Black or African American (0.47%)
Native American (0.07%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 18,278 | 84.3% |
| Asian | 1,480 | 6.83% |
| Two or more races | 1,480 | 6.83% |
| Other race | 329 | 1.52% |
| Black or African American | 101 | 0.47% |
| Native American | 15 | 0.07% |
Married
Widowed
Divorced
Separated
Never Married
Darien's average per capita income is $147,237. Household income levels show a median of $250,001. The poverty rate stands at 5.97%.
Name | Median | Mean |
|---|---|---|
| Households | $250,001 | $455,045 |
| Families | $250,001 | $525,975 |
| Married Families | $250,001 | - |
| Non Families | $62,153 | $116,023 |
Average Income
Median Household Income
Poverty Rate