Auburndale is located close to the center of Florida. Auburndale is part of Polk County. Auburndale has 13.49 square miles of land area and 6.91 square miles of water area. As of 2010-2014, the total Auburndale population is 13,979, which has grown 26.71% since 2000. The population growth rate is much higher than the state average rate of 21.14% and is much higher than the national average rate of 11.61%. Auburndale median household income is $40,851 in 2010-2014 and has grown by 19.50% since 2000. The income growth rate is lower than the state average rate of 21.62% and is lower than the national average rate of 27.36%. Auburndale median house value is $115,900 in 2010-2014 and has grown by 60.30% since 2000. The house value growth rate is higher than the state average rate of 48.06% 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 Auburndale is worse than the state average in quality. The Auburndale area code is 863.