Dupo, IL has a population of 3,966 people with a median age of 35.8 and a median household income of $45,851. Between 2015 and 2016 the population of Dupo, IL declined from 4,006 to 3,966, a 1% decrease and its median household income grew from $44,351 to $45,851, a 3.38% increase.
The population of Dupo, IL is 93.3% White, 2.9% Hispanic, and 2.27% Black. 4.09% of the people in Dupo, IL speak a non-English language, and 100% are U.S. citizens.
The largest universities in Dupo, IL are Webster University, with 6,336 graduates, Washington University in St Louis, with 4,774 graduates, and Saint Louis University, with 3,857 graduates.
The median property value in Dupo, IL is $84,200, and the homeownership rate is 76%. Most people in Dupo, IL commute by Drove Alone, and the average commute time is 22.3 minutes. The average car ownership in Dupo, IL is 2 cars per household.
Dupo, IL is a census place located in St. Clair County, IL and Monroe County, IL. It borders Columbia, IL and East Carondelet, IL.