City in Thomas County, Kansas · 3.7 sq mi · 1,492 people per sq mi
About 5,500 people live in Colby. The typical household earns $63,494, and the median resident is 32.3 years old.
2026 projection
From 5,605 in 2020
Poverty rate 8%
Men 32.2 · Women 32.5
1890–2026
5,463
2026 projection
2.5% 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.
1890–2026
5,463
2026 projection
2.5% 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 | 5,463 | -26 | 0.47% |
|---|---|---|---|
| 2025 | 5,489 | -14 | 0.25% |
| 2024 | 5,503 | -37 | 0.67% |
| 2023 | 5,540 | -36 | 0.65% |
| 2022 | 5,576 | -39 | 0.69% |
| 2021 | 5,615 | +10 | 0.18% |
| 2020 | 5,605 | +289 | 5.44% |
| 2019 | 5,316 | +23 | 0.43% |
| 2018 | 5,293 | -99 | 1.84% |
| 2017 | 5,392 | -6 | 0.11% |
Showing 10 of 29 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 54 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
49% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 49% | 51% | 47% |
| Never married | 33% | 36% | 31% |
| Divorced | 10% | 9% | 11% |
| Widowed | 7% | 4% | 10% |
| Separated | <1% | <1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau