CDP in Southeastern Connecticut Planning Region County, Connecticut · 4.5 sq mi · 1,027 people per sq mi
About 4,600 people live in Colchester. The typical household earns $86,760, and the median resident is 54.2 years old.
2026 projection
From 5,147 in 2020
Poverty rate 5.72%
Men 47.2 · Women 57.1
2011–2026
4,588
2026 projection
10.9% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2011–2026
4,588
2026 projection
10.9% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 4,588 | -12 | 0.26% |
|---|---|---|---|
| 2025 | 4,600 | -24 | 0.26% |
| 2023 | 4,624 | -244 | 5.01% |
| 2022 | 4,868 | -125 | 2.50% |
| 2021 | 4,993 | -154 | 2.99% |
| 2020 | 5,147 | +359 | 7.50% |
| 2019 | 4,788 | -260 | 5.15% |
| 2018 | 5,048 | +169 | 3.46% |
| 2017 | 4,879 | +404 | 9.03% |
| 2016 | 4,475 | +166 | 3.85% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 47 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 17 residents
56% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 56% | 58% | 54% |
| Never married | 25% | 32% | 18% |
| Divorced | 11% | 7% | 16% |
| Widowed | 6% | 2% | 11% |
| Separated | 2% | 1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau