O'Fallon, MO has a population of 84,018 people with a median age of 36.5 and a median household income of $81,004. Between 2015 and 2016 the population of O'Fallon, MO grew from 83,053 to 84,018, a 1.16% increase and its median household income grew from $78,266 to $81,004, a 3.5% increase.
The population of O'Fallon, MO is 88% White, 4.08% Black, and 3.66% Asian. 6.72% of the people in O'Fallon, MO speak a non-English language, and 97.8% are U.S. citizens.
The largest universities in O'Fallon, MO 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 O'Fallon, MO is $198,100, and the homeownership rate is 80.9%. Most people in O'Fallon, MO commute by Drove Alone, and the average commute time is 25.2 minutes. The average car ownership in O'Fallon, MO is 2 cars per household.
O'Fallon, MO is a census place located in St. Charles County, MO. It borders Cottleville, MO; Dardenne Prairie, MO; Josephville, MO; Lake St. Louis, MO; St. Paul, MO; St. Peters, MO; Weldon Spring, MO; Wentzville, MO& 3 more.