Harnett County's 2026 population is estimated at 154,704, reflecting a 2.86% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Harnett County is the 21st largest county in North Carolina. The 2010 population was 115,757 and has grown 33.65% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.6 years
Female: 36.1 years
Male: 34.9 years
There are 103,756 adults, (19,073 of whom are seniors) in Harnett County.
Female: 70,172 (50.4%)
Male: 68,978 (49.6%)
The racial composition of Harnett County includes 61.98% White, 20.2% Black or African American, 6.22% other race, and smaller percentages for Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 86,245 | 61.98% |
| Black or African American | 28,104 | 20.2% |
| Two or more races | 12,916 | 9.28% |
| Other race | 8,651 | 6.22% |
| Native American | 1,674 | 1.2% |
| Asian | 1,331 | 0.96% |
| Native Hawaiian or Pacific Islander | 229 | 0.16% |
Harnett County 's average per capita income is $47,852. Household income levels show a median of $71,287. The poverty rate stands at 13.75%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $98,738 | $120,397 |
| Families | $86,012 | $105,207 |
| Households | $71,287 | $89,999 |
| Non Families | $39,993 | $50,586 |
Average Income
Median Household Income
Poverty Rate