City | 2024 Population |
|---|---|
| Halbur | 266 |
| Hamburg | 861 |
| Hamilton | 127 |
| Hampton | 4,253 |
| Hancock | 197 |
| Hanlontown | 200 |
| Hansell | 81 |
| Harcourt | 252 |
| Hardy | 52 |
| Harlan | 4,888 |
| Harper | 115 |
| Harpers Ferry | 273 |
| Harris | 141 |
| Hartford | 722 |
| Hartley | 1,560 |
| Hartwick | 89 |
| Harvey | 240 |
| Hastings | 157 |
| Havelock | 124 |
| Haverhill | 162 |
| Hawarden | 2,626 |
| Hawkeye | 426 |
| Hayesville | 44 |
| Hazleton | 709 |
| Hedrick | 719 |
| Henderson | 140 |
| Hiawatha | 7,230 |
| High Amana | 111 |
| Hills | 924 |
| Hillsboro | 155 |
| Hinton | 962 |
| Holiday Lake | 381 |
| Holland | 265 |
| Holstein | 1,465 |
| Holy Cross | 344 |
| Homestead | 190 |
| Hopkinton | 624 |
| Hornick | 249 |
| Hospers | 701 |
| Houghton | 135 |
| Hubbard | 829 |
| Hudson | 2,848 |
| Hull | 2,450 |
| Humboldt | 4,701 |
| Humeston | 471 |
| Huxley | 4,741 |