O Fallon, IL
O Fallon is located in south Illinois. O Fallon is between the Saint Clair, Madison county. O Fallon has 14.35 square miles of land area and 0.12 square miles of water area. As of 2010-2014, the total O Fallon population is 29,100, which has grown 32.82% since 2000. The population growth rate is much higher than the state average rate of 3.62% and is much higher than the national average rate of 11.61%. O Fallon median household income is $79,795 in 2010-2014 and has grown by 42.68% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is much higher than the national average rate of 27.36%. O Fallon median house value is $193,300 in 2010-2014 and has grown by 59.23% since 2000. The house value growth rate is much higher than the state average rate of 34.33% and is higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers O Fallon is much better than the state average in quality. The O Fallon area code is 618.
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