Collegedale is located in southeast Tennessee. Collegedale is part of Hamilton County. Collegedale has 9.90 square miles of land area and has no water area. As of 2010-2014, the total Collegedale population is 9,488, which has grown 45.66% since 2000. The population growth rate is much higher than the state average rate of 13.40% and is much higher than the national average rate of 11.61%. Collegedale median household income is $49,688 in 2010-2014 and has grown by 17.55% since 2000. The income growth rate is lower than the state average rate of 22.72% and is much lower than the national average rate of 27.36%. Collegedale median house value is $192,000 in 2010-2014 and has grown by 50.71% since 2000. The house value growth rate is about the same as the state average rate of 50.43% 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 Collegedale is much better than the state average in quality. The Collegedale area code is 423.