- Hamburg (Population: 1,240)
- Hampton (Population: 4,218)
- Harlan (Population: 5,282)
- Hartley (Population: 1,733)
- Hawarden (Population: 2,478)
- Hiawatha (Population: 6,480)
- Holstein (Population: 1,470)
- Hudson (Population: 2,117)
- Hull (Population: 1,960)
- Humboldt (Population: 4,452)
- Huxley (Population: 2,316)
