In 2017, Washington, IL had a population of 16.4k people with a median age of 37.8 and a median household income of $71,930. Between 2016 and 2017 the population of Washington, IL grew from 16,102 to 16,359, a 1.6% increase and its median household income grew from $71,702 to $71,930, a 0.318% increase.
The population of Washington, IL is 92.6% White Alone, 2.5% Hispanic or Latino, and 2.44% Two or More Races. 4.15% of the people in Washington, IL speak a non-English language, and 98.7% are U.S. citizens.
The median property value in Washington, IL is $170,500, and the homeownership rate is 80.7%. Most people in Washington, IL commute by Drove Alone, and the average commute time is 19.3 minutes. The average car ownership in Washington, IL is 2 cars per household.