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City size

How big is O’Fallon, Missouri?

Size is not all that matters. But still, we would love to know how big O’Fallon in Missouri is. Here is the answer:

O’Fallon, Missouri covers an area of 76.93 square kilometers (29.7 square miles).

With 79,329 people living in O’Fallon that comes to a population density of 1031.18 inhabitants per square kilometer (2671.01 / sq mi)

As a reference: The 8,398,748 people living in New York City are crammed onto 1214 sq km (468.73 sq mi), which results into a population density of 6918 inhabitants per square kilometer (17918 / sq mi).

The population density of O'Fallon in Missouri is 76.93 square kilometers (29.7 square miles)

O’Fallon is a city located along Interstates 64 and 70 between Lake St. Louis and St. Peters in St. Charles County, Missouri, United States. It is part of the St. Louis Metropolitan Statistical Area. As of the 2010 census, O’Fallon had a population of 79,329, making it the largest municipality in St. Charles County and the seventh-largest in the state of Missouri. O’Fallon’s namesake in St. Clair County, Illinois is also part of the St. Louis Metropolitan Statistical Area. The two O’Fallons are one of the few pairs of same-named municipalities to be part of the same MSA.

Cities with a similar size as O’Fallon

If you want to check which cities have a similar size as O’Fallon, Missouri, here you go:

Cities with a similar population density as O’Fallon

Other cities that have a similar population density as O’Fallon, Missouri are:

Cities with a similar population size as O’Fallon

Here a list of cities that have a similar number of inhabitants like O’Fallon, Missouri: