| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| H and H Trailer Court | city | Montana | United States | 45.64 | -109.26 | 3599 | |
| Hacienda Trailer Court | city | Montana | United States | 48.56 | -109.65 | 2509 | |
| Hackney | city | Montana | United States | 46.03 | -112.79 | 5200 | |
| Hagans Crossing | city | Montana | United States | 48.46 | -112.51 | 4189 | |
| Hale Place | city | Montana | United States | 45.11 | -112.12 | 5869 | |
| Haley Subdivision Trailer Court | city | Montana | United States | 45.61 | -111.18 | 5029 | |
| Half Moon Mobile Home Park | city | Montana | United States | 48.38 | -114.25 | 3349 | |
| Halfmoon | city | Montana | United States | 48.39 | -114.24 | 3349 | |
| Hall | city | Montana | United States | 46.59 | -113.20 | 4199 | |
| Hall Trailer Court | city | Montana | United States | 47.16 | -110.22 | 4274 | |
| Hamblin (historical) | city | Montana | United States | 47.68 | -105.65 | 2598 | |
| Hamblin Heights Mobile Village | city | Montana | United States | 46.00 | -112.55 | 5456 | |
| Hamen | city | Montana | United States | 46.31 | -110.70 | 5869 | |
| Hamilton | city | Montana | United States | 46.25 | -114.16 | 3631 | |
| Hamilton Mobile Home Park | city | Montana | United States | 46.23 | -114.15 | 3710 | |
| Hammond | city | Montana | United States | 45.23 | -104.92 | 3710 | |
| Hanover | city | Montana | United States | 47.12 | -109.55 | 3697 | |
| Happy Haven | city | Montana | United States | 48.42 | -114.34 | 3349 | |
| Happys Inn | city | Montana | United States | 48.08 | -115.14 | 3398 | |
| Hardin | city | Montana | United States | 45.73 | -107.61 | 2903 | |
| Hardy | city | Montana | United States | 47.19 | -111.81 | 3599 | |
| Harlem | city | Montana | United States | 48.53 | -108.78 | 2509 | |
| Harlowton | city | Montana | United States | 46.44 | -109.83 | 4189 | |
| Harrison | city | Montana | United States | 45.70 | -111.79 | 5029 | |
| Harrison Mill | city | Montana | United States | 45.72 | -111.76 | 5029 | |
| Harveys Mobile Home Court | city | Montana | United States | 46.88 | -113.89 | 3375 | |
| Haskell (historical) | city | Montana | United States | 46.61 | -113.04 | 4189 | |
| Hassel | city | Montana | United States | 46.31 | -111.67 | 5200 | |
| Hathaway | city | Montana | United States | 46.28 | -106.20 | 2509 | |
| Hauck | city | Montana | United States | 46.96 | -109.83 | 4189 | |
| Haugan | city | Montana | United States | 47.38 | -115.40 | 3349 | |
| Havre | city | Montana | United States | 48.55 | -109.68 | 2509 | |
| Haxby | city | Montana | United States | 47.77 | -106.43 | 2509 | |
| Hay Coulee (historical) | city | Montana | United States | 48.31 | -110.82 | 2874 | |
| Hays | city | Montana | United States | 47.99 | -108.69 | 3599 | |
| Hazny (historical) | city | Montana | United States | 47.48 | -107.54 | 2798 | |
| Heads Trailer Court | city | Montana | United States | 48.56 | -109.67 | 2509 | |
| Heart Butte | city | Montana | United States | 48.28 | -112.84 | 4498 | |
| Heath | city | Montana | United States | 47.00 | -109.27 | 4416 | |
| Hedgesville | city | Montana | United States | 46.46 | -109.50 | 4189 | |
| Hekonemâhoevehoeno | city | Montana | United States | 45.73 | -107.61 | 2903 | |
| Helena | city | Montana | United States | 46.59 | -112.04 | 4189 | |
| Helena i Montana | city | Montana | United States | 46.59 | -112.04 | 4189 | |
| Helenopolis | city | Montana | United States | 46.59 | -112.04 | 4189 | |
| Hell Gate (historical) | city | Montana | United States | 46.88 | -114.09 | 3349 | |
| Helmville | city | Montana | United States | 46.87 | -112.96 | 4376 | |
| Henderson | city | Montana | United States | 47.36 | -115.31 | 3349 | |
| Heron | city | Montana | United States | 48.06 | -115.96 | 2509 | |
| Herron | city | Montana | United States | 48.52 | -109.78 | 2618 | |
| Hesper | city | Montana | United States | 45.74 | -108.71 | 3349 | |
| Hibbard (historical) | city | Montana | United States | 46.62 | -107.65 | 3349 | |
| Hidden Lake Colony | city | Montana | United States | 48.59 | -112.59 | 4189 | |
| Hidden Valley Mobile Estates | city | Montana | United States | 45.72 | -111.10 | 5029 | |
| Higgins | city | Montana | United States | 46.29 | -110.74 | 5393 | |
| High Ground Addition | city | Montana | United States | 45.66 | -110.56 | 4501 | |
| Highland City (historical) | city | Montana | United States | 45.80 | -112.52 | 7598 | |
| Highland Mobile Home Park | city | Montana | United States | 47.11 | -104.75 | 2089 | |
| Highview | city | Montana | United States | 45.92 | -112.43 | 6709 | |
| Highwood | city | Montana | United States | 47.58 | -110.79 | 3599 | |
| Highwoods Mobile Home Park | city | Montana | United States | 47.52 | -111.24 | 3418 | |
| Hiland Trailer Court | city | Montana | United States | 45.68 | -111.02 | 5029 | |
| Hilcrest (historical) | city | Montana | United States | 46.64 | -105.98 | 3349 | |
| Hildreth | city | Montana | United States | 44.68 | -113.04 | 7683 | |
| Hilger | city | Montana | United States | 47.25 | -109.36 | 4189 | |
| Hiline Trailer Park | city | Montana | United States | 48.37 | -107.84 | 2509 | |
| Hill | city | Montana | United States | 48.78 | -111.16 | 4189 | |
| Hilldale Colony | city | Montana | United States | 48.80 | -109.78 | 2798 | |
| Hillman | city | Montana | United States | 45.89 | -111.20 | 4389 | |
| Hillsboro | city | Montana | United States | 45.10 | -108.23 | 4189 | |
| Hillside | city | Montana | United States | 46.91 | -106.40 | 2864 | |
| Hillside Colony | city | Montana | United States | 48.98 | -112.07 | 3733 | |
| Hillside Trailer Court | city | Montana | United States | 48.56 | -109.70 | 2509 | |
| Hingham | city | Montana | United States | 48.55 | -110.42 | 3349 | |
| Hinsdale | city | Montana | United States | 48.39 | -107.08 | 2509 | |
| Hirsch | city | Montana | United States | 45.82 | -108.41 | 3349 | |
| Hobson | city | Montana | United States | 47.00 | -109.87 | 4189 | |
| Hodges | city | Montana | United States | 46.98 | -104.39 | 2598 | |
| Hoffman | city | Montana | United States | 45.57 | -110.78 | 5869 | |
| Hoffmanville | city | Montana | United States | 47.51 | -104.30 | 1978 | |
| Hog Heaven (historical) | city | Montana | United States | 47.82 | -114.50 | 3349 | |
| Hogeland | city | Montana | United States | 48.85 | -108.66 | 3349 | |
| Holden Place | city | Montana | United States | 45.22 | -112.42 | 6256 | |
| Holiday Trailer Court | city | Montana | United States | 46.76 | -114.08 | 3349 | |
| Holker | city | Montana | United States | 46.25 | -111.48 | 4189 | |
| Holland | city | Montana | United States | 45.74 | -111.25 | 4537 | |
| Hollandville (historical) | city | Montana | United States | 48.70 | -109.16 | 2664 | |
| Hollingshead Trailer Court | city | Montana | United States | 48.56 | -109.67 | 2509 | |
| Hollyhock Trailer Court | city | Montana | United States | 46.75 | -114.10 | 3349 | |
| Hollywood Trailer Court | city | Montana | United States | 46.88 | -114.02 | 3349 | |
| Holt | city | Montana | United States | 48.08 | -114.11 | 3349 | |
| Holtet Court | city | Montana | United States | 46.02 | -114.17 | 4189 | |
| Homestake | city | Montana | United States | 45.92 | -112.41 | 6709 | |
| Homestead | city | Montana | United States | 48.42 | -104.54 | 1952 | |
| Hoosac | city | Montana | United States | 47.28 | -109.84 | 3589 | |
| Hopkins | city | Montana | United States | 47.27 | -114.87 | 5406 | |
| Hopp (historical) | city | Montana | United States | 47.90 | -109.89 | 3349 | |
| Hoppers | city | Montana | United States | 45.67 | -110.72 | 5200 | |
| Hopsonville (historical) | city | Montana | United States | 45.96 | -106.62 | 3349 | |
| Horse Butte Acres Trailer Court | city | Montana | United States | 44.76 | -111.18 | 6709 | |
| Horton | city | Montana | United States | 46.34 | -106.06 | 2509 | |
| Hosey (historical) | city | Montana | United States | 47.86 | -109.50 | 3349 | |
| Hot Springs | city | Montana | United States | 47.61 | -114.67 | 2903 | |
| Howard (historical) | city | Montana | United States | 46.25 | -106.93 | 2775 | |
| Hoyle (historical) | city | Montana | United States | 47.01 | -108.17 | 2811 | |
| Hoyt | city | Montana | United States | 46.93 | -104.85 | 2509 | |
| Hoóseohée | city | Montana | United States | 45.88 | -106.62 | 3349 | |
| Huckleberry Trailer Court | city | Montana | United States | 46.95 | -112.68 | 4573 | |
| Hughesville | city | Montana | United States | 47.08 | -110.63 | 5882 | |
| Huletts Trailer Court | city | Montana | United States | 45.86 | -111.33 | 4251 | |
| Hungry Hollow (historical) | city | Montana | United States | 48.21 | -109.45 | 4491 | |
| Hungry Horse | city | Montana | United States | 48.39 | -114.06 | 3349 | |
| Hunters Hot Springs | city | Montana | United States | 45.76 | -110.26 | 4399 | |
| Hunters Trailer Court | city | Montana | United States | 46.13 | -112.94 | 5341 | |
| Huntley | city | Montana | United States | 45.90 | -108.30 | 3349 | |
| Huson | city | Montana | United States | 47.03 | -114.33 | 3349 | |
| Hysham | city | Montana | United States | 46.29 | -107.23 | 2618 |