Harnett County Flag

Harnett County

County Seat:
Lillington

Harnett County's estimated 2026 population is 154,704 with a growth rate of 2.86% 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 33.65% since that time.

154,704
Total Population
260
Population Density (mi²)
21
Population Rank (State)
4.3K 2.86%
Annual Population Growth

Harnett County Population

Demographics

Economics and Income Statistics