South Lockport is a hamlet (and census-designated place) located in the Town of Lockport in Niagara County, New York, United States.

As of the census[4] of 2000, there were 8,552 people, 3,544 households, and 2,317 families residing in the community.

There were 3,816 housing units at an average density of 664.1 per square mile (256.4/km2).

The racial makeup of the CDP was 91.36% White, 4.89% African American, 0.48% Native American, 1.06% Asian, 0.01% Pacific Islander, 0.54% from other races, and 1.66% from two or more races.

29.4% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older.