Founded in 1795, Somerset County is one of 67 counties in the state of Pennsylvania. Historically, Somerset County was formed from parts of Bedford County. The city of Somerset is the county seat. With FIPS code of 111, Somerset County has a population of 73,627 and area of 1,081 square miles (2,800 km2).
List of all cities in Somerset County, PA alphabetically
| City/Town | Postal Code | Area Code |
| Acosta, PA | 15520 | 814 |
| Addison, PA | 15411 | 814 |
| Berlin, PA | 15530 | 814 |
| Boswell, PA | 15531 | 814 |
| Boynton, PA | 15532 | 814 |
| Cairnbrook, PA | 15924 | 814 |
| Central City, PA | 15926 | 814 |
| Confluence, PA | 15424 | 814 |
| Davidsville, PA | 15928 | 814 |
| Fairhope, PA | 15538 | 814 |
| Fort Hill, PA | 15540 | 814 |
| Friedens, PA | 15541 | 814 |
| Garrett, PA | 15542 | 814 |
| Glencoe, PA | 15538 | 814 |
| Gray, PA | 15544 | 814 |
| Hidden Valley, PA | 15502 | 814 |
| Hollsopple, PA | 15935 | 814 |
| Hooversville, PA | 15936 | 814 |
| Jenners, PA | 15546 | 814 |
| Jennerstown, PA | 15547 | 814 |
| Jerome, PA | 15937 | 814 |
| Kantner, PA | 15548 | 814 |
| Listie, PA | 15549 | 814 |
| Listonburg, PA | 15424 | 814 |
| Markleton, PA | 15551 | 814 |
| Meyersdale, PA | 15552 | 814 |
| Myersdale, PA | 15552 | 814 |
| New Baltimore, PA | 15553 | 814 |
| Quecreek, PA | 15555 | 814 |
| Rockwood, PA | 15557 | 814 |
| Salisbury, PA | 15558 | 814 |
| SCI Somerset, PA | 15510 | 814 |
| Seanor, PA | 15953 | 814 |
| Shanksville, PA | 15560 | 814 |
| Sipesville, PA | 15561 | 814 |
| Somerset, PA | 15501 | 814 |
| Somerset, PA | 15510 | 814 |
| Springs, PA | 15562 | 814 |
| Stoystown, PA | 15563 | 814 |
| Tire Hill, PA | 15959 | 814 |
| Ursina, PA | 15485 | 814 |
| Wellersburg, PA | 15564 | 814 |
| West Salisbury, PA | 15565 | 814 |
| Windber, PA | 15963 | 814 |