| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Hagerty | city | Iowa | United States | 43.31 | -95.33 | 1669 | |
| Hagerty | city | Iowa | United States | 41.08 | -92.86 | 948 | |
| Halbur | city | Iowa | United States | 42.01 | -94.97 | 1669 | |
| Hale | city | Iowa | United States | 42.01 | -91.06 | 830 | |
| Haley | city | Iowa | United States | 41.91 | -95.56 | 1138 | |
| Halfa | city | Iowa | United States | 43.35 | -94.54 | 1669 | |
| Hamburg | city | Iowa | United States | 40.60 | -95.66 | 928 | |
| Hamerville | city | Iowa | United States | 42.31 | -91.89 | 967 | |
| Hamilton | city | Iowa | United States | 41.17 | -92.90 | 856 | |
| Hamlin | city | Iowa | United States | 41.67 | -94.91 | 1669 | |
| Hammondsburgh (historical) | city | Iowa | United States | 41.31 | -93.47 | 951 | |
| Hampton | city | Iowa | United States | 42.74 | -93.20 | 1108 | |
| Hancock | city | Iowa | United States | 41.39 | -95.36 | 1204 | |
| Hanford | city | Iowa | United States | 43.07 | -93.14 | 1204 | |
| Hanley | city | Iowa | United States | 41.29 | -93.83 | 951 | |
| Hanlontown | city | Iowa | United States | 43.28 | -93.38 | 1210 | |
| Hanna | city | Iowa | United States | 42.95 | -94.02 | 1177 | |
| Hanover | city | Iowa | United States | 42.60 | -95.37 | 1669 | |
| Hanover | city | Iowa | United States | 43.36 | -91.52 | 1131 | |
| Hansell | city | Iowa | United States | 42.76 | -93.10 | 1046 | |
| Harcourt | city | Iowa | United States | 42.26 | -94.18 | 1161 | |
| Hard Scratch | city | Iowa | United States | 41.61 | -95.71 | 1197 | |
| Hardin | city | Iowa | United States | 43.08 | -91.48 | 1099 | |
| Hardy | city | Iowa | United States | 42.81 | -94.05 | 1125 | |
| Harlan | city | Iowa | United States | 41.65 | -95.33 | 1233 | |
| Harlan Junction (historical) | city | Iowa | United States | 41.50 | -95.36 | 1187 | |
| Harlan Trailer Court | city | Iowa | United States | 41.67 | -95.32 | 1217 | |
| Harper | city | Iowa | United States | 41.36 | -92.05 | 846 | |
| Harpers Ferry | city | Iowa | United States | 43.20 | -91.15 | 830 | |
| Harris | city | Iowa | United States | 43.45 | -95.43 | 1669 | |
| Harrisburg | city | Iowa | United States | 40.77 | -91.78 | 830 | |
| Harrison | city | Iowa | United States | 41.29 | -94.19 | 1102 | |
| Hart | city | Iowa | United States | 42.26 | -94.99 | 1243 | |
| Hartford | city | Iowa | United States | 41.46 | -93.40 | 859 | |
| Hartford Mobile Home Park | city | Iowa | United States | 41.46 | -93.40 | 859 | |
| Hartley | city | Iowa | United States | 43.18 | -95.48 | 1669 | |
| Hartwick | city | Iowa | United States | 41.78 | -92.34 | 948 | |
| Harvard | city | Iowa | United States | 40.69 | -93.27 | 1062 | |
| Harvey | city | Iowa | United States | 41.32 | -92.92 | 830 | |
| Haskins | city | Iowa | United States | 41.33 | -91.54 | 830 | |
| Hastie | city | Iowa | United States | 41.56 | -93.49 | 849 | |
| Hastings | city | Iowa | United States | 41.02 | -95.50 | 1053 | |
| Hauntown | city | Iowa | United States | 42.00 | -90.20 | 830 | |
| Havelock | city | Iowa | United States | 42.84 | -94.70 | 1233 | |
| Haven | city | Iowa | United States | 41.89 | -92.48 | 856 | |
| Haverhill | city | Iowa | United States | 41.94 | -92.96 | 1000 | |
| Havre | city | Iowa | United States | 41.25 | -91.61 | 830 | |
| Hawarden | city | Iowa | United States | 43.00 | -96.49 | 1194 | |
| Hawkeye | city | Iowa | United States | 42.94 | -91.95 | 1148 | |
| Hawley | city | Iowa | United States | 43.21 | -93.68 | 1243 | |
| Hawleyville | city | Iowa | United States | 40.78 | -94.94 | 1108 | |
| Hawthorne | city | Iowa | United States | 41.00 | -95.34 | 1062 | |
| Hayesville | city | Iowa | United States | 41.26 | -92.25 | 830 | |
| Hayfield | city | Iowa | United States | 43.18 | -93.70 | 1249 | |
| Hayfield Junction | city | Iowa | United States | 43.13 | -93.60 | 1213 | |
| Hazel Green | city | Iowa | United States | 42.36 | -91.39 | 921 | |
| Hazleton | city | Iowa | United States | 42.62 | -91.90 | 997 | |
| Hebron | city | Iowa | United States | 41.25 | -94.29 | 1145 | |
| Hedrick | city | Iowa | United States | 41.17 | -92.31 | 830 | |
| Helena | city | Iowa | United States | 41.92 | -92.47 | 866 | |
| Henderson | city | Iowa | United States | 41.14 | -95.43 | 1062 | |
| Henshaw | city | Iowa | United States | 40.84 | -94.90 | 1128 | |
| Hentons (historical) | city | Iowa | United States | 41.09 | -95.83 | 967 | |
| Hepburn | city | Iowa | United States | 40.85 | -95.02 | 1023 | |
| Herndon | city | Iowa | United States | 41.85 | -94.35 | 1069 | |
| Herrold | city | Iowa | United States | 41.72 | -93.74 | 830 | |
| Hesper | city | Iowa | United States | 43.49 | -91.77 | 1669 | |
| Hiattsville | city | Iowa | United States | 40.83 | -92.81 | 987 | |
| Hiawatha | city | Iowa | United States | 42.04 | -91.68 | 849 | |
| Hiawatha Oak Brook Court | city | Iowa | United States | 42.04 | -91.67 | 830 | |
| Hickory Grove | city | Iowa | United States | 41.65 | -90.75 | 830 | |
| Hickory Grove Mobile Home Park | city | Iowa | United States | 41.56 | -90.63 | 830 | |
| Hicks | city | Iowa | United States | 42.37 | -92.53 | 938 | |
| High Acres Mobile Home Park | city | Iowa | United States | 42.53 | -92.48 | 948 | |
| High Amana | city | Iowa | United States | 41.80 | -91.94 | 830 | |
| High Creek | city | Iowa | United States | 40.59 | -95.45 | 1148 | |
| High Point | city | Iowa | United States | 40.76 | -93.59 | 1017 | |
| Highland | city | Iowa | United States | 42.89 | -91.60 | 1181 | |
| Highland Center | city | Iowa | United States | 41.13 | -92.35 | 830 | |
| Highland Park | city | Iowa | United States | 43.05 | -96.34 | 1669 | |
| Highlander Mobile Home Park | city | Iowa | United States | 40.71 | -92.87 | 1017 | |
| Highlandville | city | Iowa | United States | 43.44 | -91.67 | 987 | |
| Highview | city | Iowa | United States | 42.47 | -93.90 | 1122 | |
| Highview Mobile Home Park | city | Iowa | United States | 41.54 | -93.60 | 869 | |
| Highway Three Mobile Home Park | city | Iowa | United States | 42.72 | -92.43 | 971 | |
| Hillcrest Mobile Home Park | city | Iowa | United States | 42.47 | -93.79 | 1099 | |
| Hills | city | Iowa | United States | 41.55 | -91.53 | 830 | |
| Hillsboro | city | Iowa | United States | 40.84 | -91.72 | 830 | |
| Hillsboro (historical) | city | Iowa | United States | 41.29 | -91.36 | 830 | |
| Hillsdale | city | Iowa | United States | 41.01 | -95.67 | 1167 | |
| Hilltop | city | Iowa | United States | 42.48 | -92.27 | 830 | |
| Hilltop Mobile Home Park | city | Iowa | United States | 41.64 | -91.53 | 830 | |
| Hinton | city | Iowa | United States | 42.63 | -96.29 | 1131 | |
| Hiteman | city | Iowa | United States | 41.06 | -92.89 | 830 | |
| Hobarton | city | Iowa | United States | 43.07 | -94.28 | 1236 | |
| Hocker Estates Mobile Home Park | city | Iowa | United States | 40.42 | -91.41 | 830 | |
| Hocking | city | Iowa | United States | 40.99 | -92.82 | 898 | |
| Hodge | city | Iowa | United States | 40.68 | -93.40 | 1049 | |
| Holbrook | city | Iowa | United States | 41.59 | -91.91 | 830 | |
| Holiday Lake | city | Iowa | United States | 41.82 | -92.44 | 862 | |
| Holiday Mobile Home Court | city | Iowa | United States | 41.74 | -91.61 | 830 | |
| Holiday Village | city | Iowa | United States | 42.52 | -96.36 | 1669 | |
| Holland | city | Iowa | United States | 42.40 | -92.80 | 1000 | |
| Holly Springs | city | Iowa | United States | 42.27 | -96.08 | 1069 | |
| Holmes | city | Iowa | United States | 42.74 | -93.83 | 1158 | |
| Holstein | city | Iowa | United States | 42.49 | -95.55 | 1669 | |
| Holt | city | Iowa | United States | 40.89 | -94.74 | 1249 | |
| Holy Cross | city | Iowa | United States | 42.60 | -91.22 | 1089 | |
| Holy Cross | city | Iowa | United States | 42.60 | -91.00 | 1164 | |
| Homer | city | Iowa | United States | 42.37 | -93.92 | 1161 | |
| Homestead | city | Iowa | United States | 41.76 | -91.87 | 898 | |
| Homestead Colony | city | Iowa | United States | 42.08 | -93.63 | 921 | |
| Hometown Lakeside Mobile Home Park | city | Iowa | United States | 41.51 | -90.68 | 830 | |
| Hometown-Cedar Terrace | city | Iowa | United States | 41.96 | -91.75 | 849 | |
| Honey Creek | city | Iowa | United States | 41.43 | -95.87 | 1099 | |
| Hopeville | city | Iowa | United States | 40.94 | -94.00 | 1220 | |
| Hopkinton | city | Iowa | United States | 42.34 | -91.25 | 849 | |
| Hoprig | city | Iowa | United States | 43.27 | -94.62 | 1669 | |
| Hornick | city | Iowa | United States | 42.23 | -96.10 | 1062 | |
| Horton | city | Iowa | United States | 42.85 | -92.48 | 977 | |
| Hospers | city | Iowa | United States | 43.07 | -95.90 | 1669 | |
| Houghton | city | Iowa | United States | 40.78 | -91.60 | 830 | |
| Howardville | city | Iowa | United States | 43.19 | -92.71 | 1108 | |
| Howe | city | Iowa | United States | 41.40 | -94.38 | 1167 | |
| Howell (historical) | city | Iowa | United States | 41.38 | -92.97 | 830 | |
| Hubbard | city | Iowa | United States | 42.31 | -93.30 | 1102 | |
| Hudson | city | Iowa | United States | 42.41 | -92.46 | 908 | |
| Hughs | city | Iowa | United States | 42.40 | -93.16 | 1056 | |
| Hull | city | Iowa | United States | 43.19 | -96.13 | 1669 | |
| Humboldt | city | Iowa | United States | 42.72 | -94.22 | 1099 | |
| Humeston | city | Iowa | United States | 40.86 | -93.50 | 1099 | |
| Huntington | city | Iowa | United States | 43.49 | -94.79 | 1669 | |
| Hurley | city | Iowa | United States | 43.01 | -93.23 | 1164 | |
| Huron | city | Iowa | United States | 41.04 | -91.03 | 830 | |
| Hurstville | city | Iowa | United States | 42.10 | -90.68 | 830 | |
| Hutchins | city | Iowa | United States | 43.09 | -93.88 | 1220 | |
| Huxley | city | Iowa | United States | 41.90 | -93.60 | 1017 |