Cost of Living in O'Fallon, MO
Population: 92,697 • 2026 Data
$107,203
Median Household Income
+39% vs national
$1,400
Median Monthly Rent
+4% vs national
$305,100
Median Home Value
-10% vs national
2.7%
Unemployment Rate
Housing in O'Fallon
The median home value in O'Fallon, MO is $305,100. Monthly rent for a typical unit averages $1,400, while total monthly housing costs (including utilities and insurance) average $1,557.
Rent-to-income ratio: 15.7%. This is within the recommended 30% threshold, suggesting housing is relatively affordable for median-income earners.
Income and Employment
The median household income in O'Fallon, MO is $107,203. The unemployment rate stands at 2.7%, with a labor force of 53,200 people.
Data Sources
All data from the US Census Bureau American Community Survey 5-Year Estimates. National median figures used for comparison context.