O'Fallon, MO: What you need to know

Looking to move to O'Fallon , MO? We’ve got everything you want to know about the key factors that could make this the best place for you, including O'Fallon , MO real estate. Let’s start with the basics: O'Fallon , MO is located in St. Charles County . It has a population of 83,053, and we have a cool graph below that shows the city’s ethnic diversity, as well as other important facts and figures.

What about cost of living in O'Fallon , MO? The median income in O'Fallon , MO is $78,266 and the median home value is $190,900, which should give you a pretty good idea of its affordability.

O'Fallon, MO City Profile

Quick Facts

Population 83,053
Median Age 36
Median Household Income $78,266
Median Home Price $190,900

O'Fallon, MO Demographics

Population By Gender

  Male 49.7%
  Female 50.3%

in O'Fallon , MO

Median Population

Median Age 35.6%
Age 18 Over 71.3%
Age 21 Over 68.2%
Age 62 Over 12.9%
Age 65 Over 10.6%


  Ethnicity White 89.1%
  Ethnicity Black 4.7%
  Ethnicity Asian 3.7%
  Ethnicity Hispanic 1.9%
  Ethnicity Indian 0.1%
  Ethnicity Other 0.3%


  Median Household Income $78,266
  Median Home Price $190,900
  Homes Owned 20.3%
  Homes Rent 79.7%
  Median Property Rent $986


  English Only 93.5%
  English Other 6.5%

in O'Fallon , MO

Commute Types

  Walked 0.5%
  Worked at Home 4.8%
  Public Transportation 0.1%
  Other Means 1.1%
  Drove Alone 87.1%
  Carpooled 6.5%