Lumberton is located close to the center of North Carolina. Lumberton is part of Robeson County. Lumberton has 17.89 square miles of land area and 0.08 square miles of water area. As of 2010-2014, the total Lumberton population is 21,707, which has grown 4.39% since 2000. The population growth rate is much lower than the state average rate of 21.13% and is much lower than the national average rate of 11.61%. Lumberton median household income is $31,899 in 2010-2014 and has grown by 19.11% since 2000. The income growth rate is about the same as the state average rate of 19.16% and is lower than the national average rate of 27.36%. Lumberton median house value is $99,600 in 2010-2014 and has grown by 39.69% since 2000. The house value growth rate is lower than the state average rate of 41.83% 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 Lumberton is worse than the state average in quality. The Lumberton area code is 910.