Heidelberg is located in southeast Mississippi. Heidelberg is between the Jasper, Clarke, Jones, Wayne county. Heidelberg has 5.11 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Heidelberg population is 769, which has shrunk 8.45% since 2000. The population growth rate is much lower than the state average rate of 4.91% and is much lower than the national average rate of 11.61%. Heidelberg median household income is $29,688 in 2010-2014 and has grown by 40.95% since 2000. The income growth rate is much higher than the state average rate of 25.96% and is higher than the national average rate of 27.36%. Heidelberg median house value is $72,600 in 2010-2014 and has grown by 43.48% since 2000. The house value growth rate is higher than the state average rate of 41.18% 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 Heidelberg is close to the state average in quality. The Heidelberg area code is 601.