
Pleasant Plain
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 0.162
- State:
- Ohio
Pleasant Plain is a village located in Warren County, Ohio. Pleasant Plain has a 2025 population of 139. Pleasant Plain is currently growing at a rate of 1.46% annually and its population has increased by 7.75% since the most recent census, which recorded a population of 129 in 2020.
The average household income in Pleasant Plain is $103,912 with a poverty rate of 2.19%. The median age in Pleasant Plain is 46.1 years: 43.3 years for males, and 54.3 years for females.