
Kirksville
- County:
- Adair County
- County Seat:
- Yes
- Area (mi²):
- 14.386
- State:
- Missouri
Kirksville is a city located in Adair County, Missouri. Kirksville has a 2025 population of 17,461. It is also the county seat of .Kirksville is currently declining at a rate of -0.06% annually and its population has decreased by -0.31% since the most recent census, which recorded a population of 17,516 in 2020.
The average household income in Kirksville is $92,961 with a poverty rate of 27.2%. The median age in Kirksville is 25.1 years: 25 years for males, and 25.2 years for females.