Carroll Valley is a borough in Adams County, Pennsylvania, United States.

14.0% of all households were made up of individuals, and 4.0% had someone living alone who was 65 years of age or older.

Carroll Valley Borough has three lakes (two offer public fishing and boating), two recreation areas, several auxiliary playing fields and a pavilion with picnic area.

Carroll Commons hosts a large playground, picnic area and a pavilion.

Public restroom facilities are open from dawn to dusk daily on the Commons grounds from April 15 until October 1.