Harnett County, North Carolina

Harnett County, North Carolina
Harnett County Courthouse
Location within the U.S. state of North Carolina
Coordinates: 35°22′N 78°52′W / 35.37°N 78.87°W / 35.37; -78.87
Country United States
State North Carolina
Founded1855
Named afterCornelius Harnett
SeatLillington
Largest communityAnderson Creek
Area
 • Total
601.22 sq mi (1,557.2 km2)
 • Land594.93 sq mi (1,540.9 km2)
 • Water6.29 sq mi (16.3 km2)  1.05%
Population
 (2020)
 • Total
133,568
 • Estimate 
(2024)
146,096
 • Density224.51/sq mi (86.68/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district13th
Websitewww.harnett.org

Harnett County (/ˈhɑːrnɪt/ HAR-nit) is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 133,568. Its county seat is Lillington; its largest community is Anderson Creek. Harnett County is part of the Anderson Creek, NC Micropolitan Statistical Area.