O Fallon, MO
O Fallon is located in east Missouri. O Fallon is part of Saint Charles County. O Fallon has 29.19 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total O Fallon population is 81,978, which has grown 77.56% since 2000. The population growth rate is much higher than the state average rate of 7.74% and is much higher than the national average rate of 11.61%. O Fallon median household income is $78,634 in 2010-2014 and has grown by 30.67% since 2000. The income growth rate is higher than the state average rate of 25.91% and is higher than the national average rate of 27.36%. O Fallon median house value is $192,300 in 2010-2014 and has grown by 41.61% since 2000. The house value growth rate is lower than the state average rate of 52.06% and is lower 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 636.