City of O'Fallon, Illinois

O'Fallon is a city located in St Clair County, Illinois, United States. As of the 2000 census, the city had a total population of 21,910 and total housing units of 8,626.

Hotels in O'Fallon

	Sheraton Westport Hotel Lakeside Chalet
	Nightly Rate: $89 - $155
	Location. Sheraton Westport Hotel Lakeside Chalet is a business-friendly hotel...

	DoubleTree by Hilton St. Louis - Westport
	Nightly Rate: $76 - $149
	Location. DoubleTree by Hilton St. Louis - Westport is a family-friendly hotel...

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Geography

O'Fallon is located at 38°35'31" North, 89°54'38" West (38.592222, -89.910833).

According to the United States Census Bureau, the city has a total area of 10.93 mi² (28.30 km²). 10.91 mi² (28.27 km²) of it is land and 0.01 mi² (0.03 km²) of it is covered by water. The total area is 0.11% water.

O'Fallon is located in the Central Standard Time (CST) timezone, GMT-06:00. It observes Daylight Saving Time (DST).

O'Fallon City, IL Location in United States

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Area Code (See Map)
City	Code
O'Fallon, IL	618
Record found: 1.

Zip Code (See Map)
Code	Type
62269	STANDARD
Record found: 1.