Marshallville is located close to the center of Georgia. Marshallville is part of Macon County. Marshallville has 3.12 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Marshallville population is 1,400, which has grown 4.87% since 2000. The population growth rate is much lower than the state average rate of 21.03% and is much lower than the national average rate of 11.61%. Marshallville median household income is $25,938 in 2010-2014 and has grown by 18.98% since 2000. The income growth rate is higher than the state average rate of 16.28% and is lower than the national average rate of 27.36%. Marshallville median house value is $84,300 in 2010-2014 and has grown by 80.13% since 2000. The house value growth rate is much higher than the state average rate of 33.09% 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 Marshallville is worse than the state average in quality. The Marshallville area code is 478.