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 2026 population of 139. Pleasant Plain is currently growing at a rate of 2.21% annually and its population has increased by 7.75% since the most recent census, which recorded a population of 129 in 2020.
The median household income in Pleasant Plain is $97,250 with a poverty rate of 3.26%. The median age in Pleasant Plain is 36.3 years: 27.5 years for males, and 44.8 years for females. For every 100 females there are 137.5 males.