Founded in 1809, Somerset County is one of 16 counties in the state of Maine. Historically, Somerset County, formerly known as Somerset County, Massachusetts was formed from parts of Kennebec County. The city of Skowhegan is the county seat. With FIPS code of 25, Somerset County has a population of 50,592 and area of 4,095 square miles (10,606 km2).
List of all cities in Somerset County, ME alphabetically
| City/Town | Postal Code | Area Code |
| Anson, ME | 04911 | 207 |
| Athens, ME | 04912 | 207 |
| Bingham, ME | 04920 | 207 |
| Brighton Plt, ME | 04912 | 207 |
| Cambridge, ME | 04923 | 207 |
| Canaan, ME | 04924 | 207 |
| Caratunk, ME | 04925 | 207 |
| Carrying Place Town Township, ME | 04961 | 207 |
| Concord Township, ME | 04920 | 207 |
| Cornville, ME | 04976 | 207 |
| Dead River Township, ME | 04961 | 207 |
| Dennistown, ME | 04945 | 207 |
| Detroit, ME | 04929 | 207 |
| East Moxie Township, ME | 04985 | 207 |
| Embden, ME | 04958 | 207 |
| Fairfield, ME | 04937 | 207 |
| Harmony, ME | 04942 | 207 |
| Hartland, ME | 04943 | 207 |
| Highland Plt, ME | 04961 | 207 |
| Hinckley, ME | 04944 | 207 |
| Indian Stream, ME | 04985 | 207 |
| Indian Stream Township, ME | 04985 | 207 |
| Jackman, ME | 04945 | 207 |
| Jhnsn Mountain Township, ME | 04945 | 207 |
| Johnson Mountain Township, ME | 04945 | 207 |
| Lexington Township, ME | 04961 | 207 |
| Long Pond Township, ME | 04945 | 207 |
| Madison, ME | 04950 | 207 |
| Mayfield Township, ME | 04942 | 207 |
| Mercer, ME | 04957 | 207 |
| Moose River, ME | 04945 | 207 |
| Moscow, ME | 04920 | 207 |
| Moxie Gore, ME | 04985 | 207 |
| New Portland, ME | 04954 | 207 |
| 04961 | 207 | |
| Norridgewock, ME | 04957 | 207 |
| North Anson, ME | 04958 | 207 |
| North New Portland, ME | 04954 | 207 |
| 04961 | 207 | |
| Palmyra, ME | 04965 | 207 |
| Parlin Pond Township, ME | 04945 | 207 |
| Pierce Pond, ME | 04961 | 207 |
| Pittsfield, ME | 04967 | 207 |
| Pittston Academy Grant Township, ME | 04478 | 207 |
| Pleasant Ridge Plt, ME | 04920 | 207 |
| Plymouth Township, ME | 04478 | 207 |
| Rockwood, ME | 04478 | 207 |
| Saint Albans, ME | 04971 | 207 |
| Sandy Bay Township, ME | 04945 | 207 |
| Seboomook Township, ME | 04478 | 207 |
| Shawmut, ME | 04975 | 207 |
| Skowhegan, ME | 04976 | 207 |
| Smithfield, ME | 04978 | 207 |
| Solon, ME | 04979 | 207 |
| Starks, ME | 04911 | 207 |
| The Forks Plt, ME | 04985 | 207 |
| Wellington, ME | 04942 | 207 |
| West Forks, ME | 04985 | 207 |