harnett county population growth statistics
Harnett County. Harnett county is located close to the center of North Carolina. Harnett county has 594.99 square miles of land area and 6.32 square miles of water area. As of 2010-2014, the total Harnett county population is 121,789, which has grown 33.80% since 2000. The population growth rate is much higher than the state average rate of 21.13% and is much higher than the national average rate of 11.61%. Harnett county median household income is $44,417 in 2010-2014 and has grown by 26.53% since 2000.