Harnett County Flag

Harnett County

County Seat:
Lillington

Harnett County's estimated 2026 population is 153,818 with a growth rate of 2.45% in the past year according to the most recent United States census data. Harnett County is the 21st largest county in North Carolina. The 2010 population was 115,757 and has seen a growth of 32.88% since that time.

153,818
Total Population
259
Population Density (mi²)
21
Population Rank (State)
3.7K 2.45%
Annual Population Growth

Harnett County Population

Demographics

Economics and Income Statistics