
Columbia
- County:
- Adair County
- County Seat:
- Yes
- Area (mi²):
- 4.872
- State:
- Kentucky
Columbia is a city located in Adair County, Kentucky. Columbia has a 2025 population of 4,909. It is also the county seat of Adair County. Columbia is currently growing at a rate of 0.31% annually and its population has increased by 1.51% since the most recent census, which recorded a population of 4,836 in 2020.
The average household income in Columbia is $75,313 with a poverty rate of 22.47%. The median age in Columbia is 27.9 years: 28.3 years for males, and 27 years for females.