| Somerset, KY (City) |
| Somerset, TX (City) |
| Somerset, MA (Town) |
| Somerset Community Development District, FL (CDD) |
| Somerset County, PA (County) |
| Somerset County, NJ (County) |
| Somerset County, ME (County) |
| Somerset County, MD (County) |
| Somerset Township, IL (Township) |
| Somerset Township, OH (Township) |
| Somerset Township, MI (Township) |
| Somersworth, NH (City) |
| Somerton, AZ (City) |
| Somervell County, TX (County) |
| Somerville, AL (Town) |
