Columbia
- County:
- Boone County
- County Seat:
- Yes
- Area (mi²):
- 67.837
- State:
- Missouri
Columbia is a city located in Boone County, Missouri. Columbia has a 2026 population of 130,900. It is also the county seat of Boone County. Columbia is currently growing at a rate of 0.86% annually and its population has increased by 3.63% since the most recent census, which recorded a population of 126,314 in 2020.