Land for a centrally located parish seat, Winnsborough (later Winnsboro), was purchased in 1844.

[4] As of the 2020 United States census, there were 4,862 people, 1,504 households, and 1,007 families residing in the town.

A post office, built in 1936, featured a New Deal program mural, Logging in Louisiana Swamps (1939), by Datus Ensign Myers.

[9] The Princess Theatre was built in 1907, closed in 1988, and reopened as a live performance venue in 1994.

[10] Public education in Winnsboro is managed by the Franklin Parish School Board.