City in McDonough County, Illinois · 1.2 sq mi · 924 people per sq mi
About 1,100 people live in Colchester. The typical household earns $63,981, and the median resident is 41.6 years old.
2026 projection
From 1,108 in 2020
Poverty rate 7.8%
Men 39.6 · Women 45.3
2010–2026
1,063
2026 projection
4.1% 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.
2010–2026
1,063
2026 projection
4.1% 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 | 1,063 | -7 | 0.65% |
|---|---|---|---|
| 2025 | 1,070 | -10 | 0.93% |
| 2024 | 1,080 | -16 | 1.46% |
| 2023 | 1,096 | -4 | 0.36% |
| 2022 | 1,100 | +2 | 0.18% |
| 2021 | 1,098 | -10 | 0.90% |
| 2020 | 1,108 | -188 | 14.51% |
| 2019 | 1,296 | -13 | 0.99% |
| 2018 | 1,309 | -15 | 1.13% |
| 2017 | 1,324 | -26 | 1.93% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 11 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 13 residents
55% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 55% | 56% | 54% |
| Never married | 16% | 19% | 13% |
| Divorced | 18% | 23% | 13% |
| Widowed | 7% | <1% | 13% |
| Separated | 4% | 1% | 7% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau