Columbia is located in Capitol Planning Region, Connecticut. Columbia has a 2026 population of 5,403. Columbia is currently growing at a rate of 0.41% annually and its population has increased by 2.6% since the most recent census, which recorded a population of 5,266 in 2020.
The median household income in Columbia is $127,000 with a poverty rate of 6.12%. The median age in Columbia is 51.3 years: 53.6 years for males, and 46.3 years for females. For every 100 females there are 121.0 males.
Data after 2023 is projected based on recent change
Overall: 51.3 years
Female: 46.3 years
Male: 53.6 years
There are 4,573 adults, (1,319 of whom are seniors) in Columbia.
Female: 2,398 (45.2%)
Male: 2,902 (54.8%)
The racial composition of Columbia includes 89.21% White, and smaller percentages for other race, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,728 | 89.21% |
| Two or more races | 359 | 6.77% |
| Other race | 120 | 2.26% |
| Black or African American | 93 | 1.75% |
Columbia 's average per capita income is $69,321. Household income levels show a median of $127,000. The poverty rate stands at 6.12%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $153,095 | - |
| Families | $130,024 | $142,306 |
| Households | $127,000 | $140,119 |
| Non Families | $123,150 | $122,608 |
Average Income
Median Household Income
Poverty Rate