Warrenton is located in east Missouri. Warrenton is between the Warren, Lincoln county. Warrenton has 8.37 square miles of land area and 0.09 square miles of water area. As of 2010-2014, the total Warrenton population is 7,974, which has grown 50.99% 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%. Warrenton median household income is $45,963 in 2010-2014 and has grown by 35.10% 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%. Warrenton median house value is $126,200 in 2010-2014 and has grown by 37.92% 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 Warrenton is close to the state average in quality. The Warrenton area code is 636.