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Welcome To KEY TO THE CITY's Page For
Saint Clair County, Illinois

Page Contents for O'Fallon, Illinois

Statistics & Facts

Chamber of Commerce.

Statistics & Facts

The Illinois state capital is Springfield.
The population of O'Fallon is approximately 16,073 (1990), 28281 (2010).
The approximate number of families is 6,326 (1990), 10747 (2010).
The amount of land area in O'Fallon is 15.888 sq. kilometers.
The amount of surface water is 0.031 sq kilometers.
The distance from O'Fallon to Washington DC is 731 miles.
The distance to the Illinois state capital is 83 miles. (as the crow flies)
O'Fallon is positioned 38.59 degrees north of the equator and 89.91 degrees west of the prime meridian.

O'Fallon Chamber

O'Fallon Chamber of Commerce
Phone: 618-632-3377

O'Fallon Organizations

O'Fallon Chamber of Commerce
Phone: 618-632-3377

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