Demopolis is located close to the center of Alabama. Demopolis is part of Marengo County. Demopolis has 17.74 square miles of land area and 0.32 square miles of water area. As of 2010-2014, the total Demopolis population is 7,323, which has shrunk 2.88% since 2000. The population growth rate is much lower than the state average rate of 8.33% and is much lower than the national average rate of 11.61%. Demopolis median household income is $33,385 in 2010-2014 and has grown by 26.07% since 2000. The income growth rate is lower than the state average rate of 27.47% and is about the same as the national average rate of 27.36%. Demopolis median house value is $146,800 in 2010-2014 and has grown by 81.23% since 2000. The house value growth rate is much higher than the state average rate of 45.48% and is much 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 Demopolis is better than the state average in quality. The Demopolis area code is 334.