
Erwin
- County:
- Harnett County
- County Seat:
- No
- Area (mi²):
- 4.208
- State:
- North Carolina
Erwin is a town located in Harnett County, North Carolina. Erwin has a 2025 population of 4,881. Erwin is currently growing at a rate of 1.48% annually and its population has increased by 7.84% since the most recent census, which recorded a population of 4,526 in 2020.
The average household income in Erwin is $65,605 with a poverty rate of 11.51%. The median age in Erwin is 46 years: 43.8 years for males, and 47.7 years for females.