Lillington is located close to the center of North Carolina. Lillington is part of Harnett County. Lillington has 4.56 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Lillington population is 3,334, which has grown 14.37% since 2000. The population growth rate is much lower than the state average rate of 21.13% and is higher than the national average rate of 11.61%. Lillington median household income is $29,031 in 2010-2014 and has has shrunk by 5.34% since 2000. The income growth rate is much lower than the state average rate of 19.16% and is much lower than the national average rate of 27.36%. Lillington median house value is $117,400 in 2010-2014 and has shrunk by -29.01% since 2000. The house value growth rate is lower than the state average rate of 41.83% and is much 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 Lillington is worse than the state average in quality. The Lillington area code is 910.