None of the households in O'Fallon, MO reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
96.8% of the residents in O'Fallon, MO are U.S. citizens.
In 2024, the median property value in O'Fallon, MO was $326,200, and the homeownership rate was 81%.
Most people in O'Fallon, MO drove alone to work, and the average commute time was 25.5 minutes. The average car ownership in O'Fallon, MO was 2 cars per household.