In 2017, Plainfield, IL had a population of 42k people with a median age of 34.9 and a median household income of $121,746. Between 2016 and 2017 the population of Plainfield, IL grew from 41,881 to 41,978, a 0.232% increase and its median household income grew from $116,896 to $121,746, a 4.15% increase.
The population of Plainfield, IL is 72.9% White Alone, 11.2% Hispanic or Latino, and 7.41% Asian Alone. 17.3% of the people in Plainfield, IL speak a non-English language, and 96.4% are U.S. citizens.
The median property value in Plainfield, IL is $296,800, and the homeownership rate is 86.2%. Most people in Plainfield, IL commute by Drove Alone, and the average commute time is 34.8 minutes. The average car ownership in Plainfield, IL is 2 cars per household.