City in Adair County, Kentucky · 4.9 sq mi · 953 people per sq mi
4,641 people live in Columbia. The typical household earns $47,299, and the median resident is 28.2 years old.
2026 projection
From 4,845 in 2020
Poverty rate 18.32%
Men 26.5 · Women 30.3
1810–2026
4,641
2026 projection
4.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1810–2026
4,641
2026 projection
4.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 4,641 | -39 | 0.83% |
|---|---|---|---|
| 2025 | 4,680 | 0 | 0.00% |
| 2024 | 4,680 | -188 | 3.86% |
| 2023 | 4,868 | +30 | 0.62% |
| 2022 | 4,838 | +37 | 0.77% |
| 2021 | 4,801 | -44 | 0.91% |
| 2020 | 4,845 | +49 | 1.02% |
| 2019 | 4,796 | +222 | 4.85% |
| 2018 | 4,574 | -38 | 0.82% |
| 2017 | 4,612 | -71 | 1.52% |
Showing 10 of 34 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Columbia has a population change lower than Adair County, Kentucky, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 48 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 5 residents
30% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 30% | 29% | 31% |
| Never married | 48% | 46% | 50% |
| Divorced | 12% | 11% | 13% |
| Widowed | 7% | 10% | 5% |
| Separated | 2% | 4% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources