Plainville, IL has a population of 334 people with a median age of 32.8 and a median household income of $41,250. Between 2015 and 2016 the population of Plainville, IL declined from 417 to 334, a 19.9% decrease and its median household income declined from $45,208 to $41,250, a 8.76% decrease.
The population of Plainville, IL is 97.9% White, 0.9% Hawaiian, and 0.6% Asian. 6.31% of the people in Plainville, IL speak a non-English language, and 99% are U.S. citizens.
The largest universities in Plainville, IL are John Wood Community College, with 537 graduates, Quincy University, with 372 graduates, and Vatterott College-Quincy, with 93 graduates.
The median property value in Plainville, IL is $71,300, and the homeownership rate is 80.4%. Most people in Plainville, IL commute by Drove Alone, and the average commute time is 25.2 minutes. The average car ownership in Plainville, IL is 2 cars per household.
Plainville, IL is a census place located in Adams County, IL. It borders .