Plainville Flag

Plainville

County:
Adams County
County Seat:
No
Area (mi²):
0.235
State:
Illinois

Plainville is a village located in Adams County, Illinois. Plainville has a 2026 population of 260. Plainville is currently declining at a rate of -0.38% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 270 in 2020.

260
Total Population
1,108
Density (mi²)
-1 -0.38%
Growth