🇺🇸 United States · North America
muuny O'Fallon
O'Fallon is a city or local place in United States with about 29,002 residents in the Illinois region.
Facts
Population29,002
RegionIllinois
CountryUnited States
Coordinates38.592, -89.911
Source: GeoNames allCountries/countryInfo/admin1CodesASCII · Updated: 2026-04-28