| 1870 | 1880 | 1890 | 1900 |
| 1910 | 1920 | 1930 | Other |
| 1920 Federal Census - Population Schedules | ||||
| County & SD/ED | Links | NARA Roll | Transcription Status |
Proofreader Status |
| Beaverhead | T625-967 | See New Pages | ||
| Big Horn | T625-967 | See New Pages | ||
| Blaine | T625-967 | See New Pages | ||
| Broadwater | T625-967 | See New Pages | ||
| Carbon | T625-967 | See New Pages | ||
| Carter | T625-967 | See New Pages | ||
| Cascade | T625-968 | See New Pages | ||
| Chouteau | T625-969 | See New Pages | ||
| Custer | T625-969 | See New Pages | ||
| Dawson | T625-968 | See New Pages | ||
| Deer Lodge | T625-969 | See New Pages | ||
| Fallon | T625-970 | See New Pages | ||
| Fergus | T625-969 & 970 |
See New Pages | ||
| Flathead | T625-971 | See New Pages | ||
| Gallatin | T625-970 | See New Pages | ||
| Garfield | T625-971 | See New Pages | ||
| Glacier | T625-971 | See New Pages | ||
| Granite | T625-971 | See New Pages | ||
| Hill | T625-971 | See New Pages | ||
| Jefferson | T625-972 | See New Pages | ||
| Lewis and Clark | T625-972 | See New Pages | ||
| Liberty | T625-972 | See New Pages | ||
| Lincoln | T625-972 | See New Pages | ||
| McCone | T625-972 | See New Pages | ||
| Madison | T625-972 | See New Pages | ||
| Meagher | T625-973 | See New Pages | ||
| Mineral | T625-973 | See New Pages | ||
| Missoula | T625-973 | See New Pages | ||
| Musselshell | T625-973 | See New Pages | ||
| Park | T625-974 | See New Pages | ||
| Phillips | T625-974 | See New Pages | ||
| Pondera | T625-973 | See New Pages | ||
| Powder River | T625-974 | See New Pages | ||
| Powell | T625-974 | See New Pages | ||
| Prairie | T625-974 | See New Pages | ||
| Ravalli | T625-975 | See New Pages | ||
| Richland | T625-974 | See New Pages | ||
| Roosevelt | T625-975 | See New Pages | ||
| Rosebud | T625-975 | See New Pages | ||
| Sanders | T625-975 | See New Pages | ||
| Sheridan | T625-975 | See New Pages | ||
| Silver Bow | T625-976 & 977 |
See New Pages | ||
| Stillwater | T625-977 | See New Pages | ||
| Sweet Grass | T625-977 | See New Pages | ||
| Teton | T625-977 | See New Pages | ||
| Toole | T625-977 | See New Pages | ||
| Treasure | T625-977 | See New Pages | ||
| Valley | T625-978 | See New Pages | ||
| Wheatland | T625-978 | See New Pages | ||
| Wibaux | T625-977 | See New Pages | ||
| Yellowstone | T625-978 | See New Pages | ||