State: Missouri
County: St Charles County
Close cities: Ethlyn, MO, Saint Peters, MO, Lake St. Louis, MO, Chesterfield, MO, Lake St. Louis, MO, McCann Landing, MO, O'Fallon, MO, St. Peters, MO, Cottleville, MO, Weldon Spring, MO, Dardenne, MO, O'Fallon, MO, Golden-Eagle, IL, Weldon Spring Heights, MO, Dardenne Prairie, MO, Chain of Rocks, MO, Cottleville, MO, St. Paul, MO, All Saints Village, MO, Peruque, MO, Josephville, MO, Lake St. Louis, MO, Firma, MO, Saint Peters, MO, Josephville, MO, Harvester, MO, Brussels, IL, Weldon Spring Heights, MO, Old Monroe, MO
O'Fallon Population (census data)| Total | 74,976 (+55.8% since 2000) |
| Male | 36,980 (49.3%) |
| Female | 37,996 (50.7%) |
Population Density: 3,337 people per sq. mile
Cost of Living Index: 82.0 (US Avg is 100)
O'Fallon Elevation: 543 feet above sea level
Land Area: 22.5 square miles
Median Household Income: $73,035
Zip Codes:
63366,
and 63368.