Judson is a census-designated place (CDP) in Greenville County, South Carolina, United States.

[6] It is bordered to the northeast by the city of Greenville, to the southeast by Dunean, to the west by Welcome, and to the north by Parker.

U.S. Route 123 (Easley Bridge Road) forms the northern border of Judson.

According to the United States Census Bureau, the Judson CDP has a total area of 0.79 square miles (2.05 km2), all land.

[5] As of the 2020 United States census, there were 2,352 people, 610 households, and 353 families residing in the CDP.