The population of O'Fallon, United States is 79329 according to the GeoNames geographical database.
Map and satellite image
Map, satellite image, and topographic (terrain) map for O'Fallon, United States (courtesy of Google Earth):
Latitude, Longitude, and Elevation
O'Fallon, United States is located at 38.81061 [latitude in decimal degrees], -90.69985 [longitude in decimal degrees] at an average elevation of 164 meters.
Timezone
The time zone id for O'Fallon is America/Chicago.
Geonames ID
The geonames id for O'Fallon is 4401242.
The data for this record was last updated 5/14/11
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Data is provided "as is" without warranty or any representation of accuracy, timeliness or completeness.