
Winnsboro Mills
- County:
- Fairfield County
- County Seat:
- No
- Area (mi²):
- 2.456
- State:
- South Carolina
Winnsboro Mills is a CDP located in Fairfield County, South Carolina. Winnsboro Mills has a 2025 population of 1,628. Winnsboro Mills is currently declining at a rate of -1.09% annually and its population has decreased by -22.44% since the most recent census, which recorded a population of 2,099 in 2020.
The average household income in Winnsboro Mills is $46,792 with a poverty rate of 29.66%. The median age in Winnsboro Mills is 33.9 years: 33.3 years for males, and 34.6 years for females.