Winnsboro is located in Fairfield County, SC. The population is 3,562, making Winnsboro the largest city in Fairfield County.
There are 6 public schools in Winnsboro with an average Homefacts rating of C-. The total crime rate for Winnsboro is , and there are 33 registered sex offenders residing in the city. Unemployment in Winnsboro is high and the median home sales price is $0.