- Hagerstown (Population: 36,687)
- Halfway (Population: 10,065)
- Hampstead (Population: 5,060)
- Hampton (Population: 5,004)
- Hancock (Population: 1,725)
- Havre de Grace (Population: 11,331)
- Herald Harbor (Population: 2,313)
- Highfield-Cascade (Population: 1,141)
- Hillandale (Population: 3,054)
- Hillcrest Heights (Population: 16,359)
- Hillsmere Shores (Population: 2,977)
- Hughesville (Population: 1,537)
- Huntingtown (Population: 2,436)
- Hurlock (Population: 1,874)
- Hyattsville (Population: 14,733)
