The median home value in O Fallon, MO is $383,593 as of 2026-06-30, up 1.19% from a year earlier.
Median Home Value
$383,593
Year-over-Year
+1.19%
Population
94,911
O Fallon ranks #22 of 113 Missouri cities tracked here by median home value, and sits 41.0% above the state's city median of $272,079. It sits in Saint Charles County, where the county-wide median is $378,245.
O Fallon police recorded a violent crime rate of 59 per 100,000 residents in 2024 — lower than most cities that report to the FBI. Property crime runs at 479 per 100,000.
Reported by the city's own police department to the FBI's Uniform Crime Reporting Program (what this covers).
The median home value in O Fallon is $383,593. That's up 1.19% from a year earlier. That is about 41.0% above the typical county in Missouri.
Homes in O Fallon are more expensive than Saint Charles County as a whole, where the median is $378,245 — a difference of about 1.4%.
O Fallon police reported 59 violent crimes per 100,000 residents, covering a population of about 94,911. Crime rates are one input among many — they vary block to block within a city, and this figure is a citywide average.
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