Where is O'Fallon, Missouri, USA?

Written and Fact-checked by | Last Updated: January 12, 2025, 03:50 AM ET

Where is O'Fallon Located? - O'Fallon is a city located in the St. Charles County of Missouri, United States. O'Fallon lies between 39.2533328 Degrees North latitudes and 114.874248 Degrees West longitudes.

Location Map of O'Fallon, Missouri

Where is O'Fallon, Missouri

O'Fallon Map, Missouri, USA

Where is O'Fallon?: The Google Map showing the location of O'Fallon in the U.S. state of Missouri.

Where is O'Fallon Located?

O'Fallon is a city located in the St. Charles County of Missouri, United States. O'Fallon lies between 39.2533328 Degrees North latitudes and 114.874248 Degrees West longitudes. According to 2020 U.S.census, the population of O'Fallon city is 91316 people and the city has a total area of 29.78 sq mi. The city has numerous parks and recreational facilities.

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O'Fallon City Facts, Missouri

City NameO'Fallon
CountySt. Charles County
StateMissouri
CountryUnited States
U.S. RegionWest North Central
Coordinates38.8106075° N, 90.6998477° W
Latitude38.8106075
Longitude-90.6998476999999
Population (2020 Census)91316
Population Density (Sq mi)3187
Area (Sq mi)29.78
CurrencyUS Dollar, $ (USD)
Time ZoneCentral Time - UTC?06:00 (Standard), UTC?05:00 (DST)

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