
Pleasant Plains
- County:
- Sangamon County
- County Seat:
- No
- Area (mi²):
- 1.335
- State:
- Illinois
Pleasant Plains is a village located in Sangamon County, Illinois. Pleasant Plains has a 2025 population of 800. Pleasant Plains is currently declining at a rate of -0.25% annually and its population has decreased by -1.11% since the most recent census, which recorded a population of 809 in 2020.
The average household income in Pleasant Plains is $88,518 with a poverty rate of 4.71%. The median age in Pleasant Plains is 35.2 years: 34.6 years for males, and 35.6 years for females.