Somerset is a borough in and the county seat of Somerset County, Pennsylvania, United States. The population was 6,046 at the 2020 census. The borough is surrounded by Somerset Township and is located off of the Pennsylvania Turnpike. Somerset is the principal city of the Somerset micropolitan statistical area, which consists of Somerset County, and is also a principal city of the larger Johnstown-Somerset combined statistical area.

Somerset County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 74,129. Its county seat is Somerset. The county was created from part of Bedford County on April 17, 1795, and named after the county of Somerset in England. The county is part of the Southwest Pennsylvania region of the state.