South Fork is a borough in Cambria County, Pennsylvania, United States.

U.S. Route 219, a four-lane expressway, passes just east of the borough and leads 10 miles (16 km) north to Ebensburg, the Cambria County seat.

[5] As of the census[8] of 2000, there were 1,138 people, 452 households, and 311 families residing in the borough.

The racial makeup of the borough was 99.74% White, 0.09% African American, and 0.18% from two or more races.

29.0% of all households were made up of individuals, and 16.2% had someone living alone who was 65 years of age or older.