
Pleasant Plain
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 1.013
- State:
- Iowa
Pleasant Plain is a city located in Jefferson County, Iowa. Pleasant Plain has a 2025 population of 78. Pleasant Plain is currently declining at a rate of -1.27% annually and its population has decreased by -4.88% since the most recent census, which recorded a population of 82 in 2020.
The average household income in Pleasant Plain is $75,183 with a poverty rate of 5.06%. The median age in Pleasant Plain is 49.7 years: 45.5 years for males, and 49.8 years for females.