
Clarksville
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 1.309
- State:
- Iowa
Clarksville is a city located in Butler County, Iowa. Clarksville has a 2025 population of 1,231. Clarksville is currently declining at a rate of -0.49% annually and its population has decreased by -2.38% since the most recent census, which recorded a population of 1,261 in 2020.
The average household income in Clarksville is $64,630 with a poverty rate of 16.03%. The median age in Clarksville is 44.6 years: 46.1 years for males, and 43.8 years for females.