| Town / County |
Town / County |
Town / County |
| Haakinson Spur / Sioux | Hackberry / Floyd | Hackney's Grove / Warren |
| Hadden Hill / Dallas | Hagerty / Dickinson | Hagerty / Monroe |
| Hahns Switch / Muscatine | Haines / Linn | Halbur / Carroll |
| Halburg / Carroll | Hale / Jones | Hale / Kossuth |
| Hale City / Jones | Hale Village / Jones | Haley / Crawford |
| Halfa / Emmet | Halfway Prairie / Monroe | Hall / Cass |
| Hall / Davis | Hall Creek / Monona | Hamaker's / Marion |
| Hamburg / Fremont | Hamerville / Buchanan | Hamill / Lee |
| Hamilton / Marion | Hamlin / Audubon | Hamlin / Woodbury |
| Hamlin Grove / Audubon | Hammondsburgh / Warren | HAMPTON / Franklin |
| Hancock / Pottawattamie | Hancock Center / Hancock | Handsome View / Warren |
| Hanford / Cerro Gordo | Hanley / Madison | Hanlontown / Worth |
| Hanna / Kossuth | Hanness / Mahaska | Hanover / Allamakee |
| Hanover / Buena Vista | Hanover / Polk | Hansell / Franklin |
| Hansen Heights / Shelby | Happy Corners / Plymouth | Happy Hollow / Wapello |
| Happy Hollow / Wayne | Harbor / Davis | Harbor Station / Guthrie |
| Harcourt / Webster | Hard Scratch / Harrison | Harder's Corner / Page |
| Hardin / Allamakee | Hardin / Clayton | Hardin / Greene |
| Hardin City / Hardin | Hardy / Humboldt | HARLAN / Shelby |
| Harlan Junction / Pottawattamie | Harmon's Switch / Boone | Harmony / Jefferson |
| Harmony / Taylor | Harper / Keokuk | Harper's / Sioux |
| Harpers Ferry / Allamakee | Harpersville / Davis | Harris / Keokuk |
| Harris / Osceola | Harris Grove / Harrison | Harrisburg / Mahaska |
| Harrisburg / Washington | Harrisburg (#1) / Van Buren | Harrisburg (#2) / Van Buren |
| Harrisdale / Cass | Harrison / Guthrie | Harrison / Harrison |
| Harrison / Louisa | Harrison / Madison | Harrison / Pottawattamie |
| Harrisonville / Marion | Hartford / Des Moines | Hartford / Warren |
| Hartland / Marshall | Hartland / Worth | Hartley / O'Brien |
| Hartwick / Delaware | Hartwick / Poweshiek | Harvard / Wayne |
| Harvey / Marion | Harvey Mills / Dallas | Harvey's Mills / Jefferson |
| Harvey's Point / Polk | Harveyville / Marion | Harwell / Cedar |
| Haskins / Washington | Hastie / Polk | Hastings / Mills |
| Hatch / Kossuth | Hatton / Polk | Hauntown / Clinton |
| Havanna / Greene | Havelock / Pocahontas | Haven / Tama |
| Haverhill / Marshall | Havre / Washington | Hawarden / Sioux |
| Hawkeye / Des Moines | Hawkeye / Fayette | Hawkeye / Hancock |
| Hawkeye / Marion | Hawkeye City / Union | Hawleyville / Page |
| Hawthorn / Montgomery | Hayes / Adams | Hayesville / Keokuk |
| Hayfield / Hancock | Hayfield Junction / Hancock | Haynie / Mills |
| Hazard / Cherokee | Hazel / Dubuque | Hazel Green / Delaware |
| Hazel Green / Hardin | Hazelton / Buchanan | Hazen / Lee |
| Hazleton (Old) / Buchanan | Heath / Tama | Heaton / Madison |
| Hebron / Adair | Hedge / Iowa | Hedge's Grove / Cass |
| Hedrick / Keokuk | Hedrolante / Van Buren | Helena / Tama |
| Hempstead / Dubuque | Henderson / Lucas | Henderson / Mills |
| Henderson Prairie / Clayton | Henn / Monroe | Henness / Mahaska |
| Henshaw / Taylor | Henton / Mills | Hentonville / Mills |
| Hepburn / Page | Herdland / Clay | Herndon / Guthrie |
| Herring / Sac | Herrold / Page | Hesper / Winneshiek |
| Hesperian / Webster | Hetzel / Scott | Heytman / Allamakee |
| Hiattsville / Appanoose | Hiawatha / Linn | Hiawatha / Monona |
| Hibbsville / Appanoose | Hickory / Monroe | Hickory / Van Buren |
| Hickory Grove / Clarke | Hickory Grove / Jackson | Hickory Grove / Monroe |
| Hickory Grove / Scott | Hickory Point / Clarke | Hicks / Black Hawk |
| Higginsport / Dubuque | Higginsport / Jackson | High / Iowa |
| High Bridge / Dallas | High Creek / Fremont | High Grove / Clayton |
| High Lake / Emmet | Highbrier / Decatur | Highland / Clayton |
| Highland / Union | Highland Center / Wapello | Highland City / Pocahontas |
| Highland Grove / Jones | Highland Junction / Polk | Highland Park / Polk |
| Highland Park / Sioux | Highlandville / Winneshiek | Highpoint / Decatur |
| Highview / Hamilton | Hills / Johnson | Hillsboro / Henry |
| Hillsboro / Louisa | Hillsdale / Mills | Hilltown / Appanoose |
| Hilton / Monroe | Hinkletown / Iowa | Hinkletown / Keokuk |
| Hinkleville / Keokuk | Hinsdale / Lee | Hinton / Plymouth |
| Hires Grove / Buena Vista | Hirondelle / Worth | Hiteman / Monroe |
| Hitesville / Butler | Hobart / Kossuth | Hobarton / Kossuth |
| Hocking / Monroe | Hodge / Wayne | Hoenzollern / Crawford |
| Hogansville / Dubuque | Holaday's / Adair | Holbrook / Iowa |
| Holland / Grundy | Hollandale / Winnebago | Hollenback / Linn |
| Holley / Plymouth | Hollidaysburg / Monroe | Holly Springs / Woodbury |
| Holman / Osceola | Holmes / Wright | Holmstad / Montgomery |
| Holstein / Ida | Holt / Taylor | Holy Cross / Dubuque |
| Holzworth's Grove / Keokuk | Homan / Tama | Home / Van Buren |
| Homer / Hamilton | Homestead / Iowa | Honey Creek / Clayton |
| Honey Creek / Pottawattamie | Honey Grove / Cedar | Hook's Point / Hamilton |
| Hook's Point / Hamilton | Hoosier Grove / Linn | Hoosier Mills / Linn |
| Hoosier Point / Benton | Hoovers / Monroe | Hope / Greene |
| Hope Farm / Louisa | Hopeville / Clarke | Hopewell / Mahaska |
| Hopkins Grove / Polk | Hopkinton / Delaware | Hoprig / Emmet |
| Horace / Audubon | Horn / Jasper | Hornbuckles Point / Boone |
| Hornick / Woodbury | Horrabin / Johnson | Horton / Bremer |
| Hoskins / Woodbury | Hospers / Sioux | Hotner / Hamilton |
| Hotona / Tama | Houghton / Lee | Howard / Howard |
| Howard / Tama | Howard Center / Allamakee | Howard Centre / Howard |
| Howardville / Floyd | Howe / Adair | Howell / Marion |
| Howsler / Harrison | Hoyt / Adams | Hubbard / Hardin |
| Hudsen / Muscatine | Hudson / Black Hawk | Hudson / Sioux |
| Hueston / Johnson | Hughes / Hardin | Hugo / Jackson |
| Hull / Boone | Hull / Sioux | Humboldt / Humboldt |
| Humboldt (P.O.) / Humboldt | Humbug Town / Poweshiek | Humeston / Wayne |
| Hummaconna / Monroe | Hungarian Settlement / Decatur | Hunter / Dickinson |
| Huntington / Emmet | Hunts / Lyon | Huntsville / Polk |
| Hurley / Cerro Gordo | Huron / Des Moines | Hurstville / Jackson |
| Husam / Scott | Huskalia / Webster | Hustad / Mitchell |
| Huston's / Keokuk | Huston's Point / Keokuk | Hutchins / Hancock |
| Huxley / Story | Hyde / Winneshiek | Hynes / Monroe |
| Hyperion / Polk |
