| 1870 | 1880 | 1890 | 1900 |
| 1910 | 1920 | 1930 | Other |
| 1900 Federal Census - Population Schedules | ||||
| County & SD/ED | Links | NARA Roll | Transcription Status |
Proofreader Status |
| Beaverhead | T623-909 | See New Pages | ||
| Broadwater | T623-909 | See New Pages | ||
| Carbon | T623-909 | See New Pages | ||
| Cascade | T623-909 & 910 |
See New Pages | ||
| Chouteau | T623-910 | See New Pages | ||
| Custer | T623-910 | See New Pages | ||
| Dawson | T623-911 | See New Pages | ||
| Deer Lodge | T623-911 | See New Pages | ||
| Fergus | T623-911 | See New Pages | ||
| Flathead | T623-911 | See New Pages | ||
| Gallatin | T623-912 | See New Pages | ||
| Granite | T623-912 | See New Pages | ||
| Jefferson | T623-912 | See New Pages | ||
| Lewis and Clark | T623-912 | See New Pages | ||
| Lewis and Clark | T623-913 | See New Pages | ||
| Madison | T623-913 | See New Pages | ||
| Meagher | T623-913 | See New Pages | ||
| Missoula | T623-913 | See New Pages | ||
| Park | T623-913 | See New Pages | ||
| Ravalli | T623-914 | See New Pages | ||
| Silver Bow | T623-914 & 915 |
See New Pages | ||
| Sweet Grass | T623-915 | See New Pages | ||
| Teton | T623-915 | See New Pages | ||
| Valley | T623-915 | See New Pages | ||
| Yellowstone | T623-915 | See New Pages | ||
| 1900 Federal Census - Multicounty Indian Schedules | ||||
| Reservation & County | Links | NARA Roll | 1st Transcription Status |
2nd Transcription Status |
| Crow I.R.* | T623-915 | See New Pages | ||
| * Crow Indian Reservation (Custer & Yellowstone) | ||||