| Year | Census | Index |
| 1870 | Film | CD, Book |
| 1870 African-American | CD | |
| 1880 | Film | CD, Soundex Film |
| 1890 Veterans | Film | |
| 1900 | Film* | Partial; see below |
| 1910 | Film* | Partial; see below |
| 1920 | Ancestry.com | |
| 1930 | Ancestry.com |
* 1900 Film includes: Ramsey (part), Redwood (part), Silver Bow (part), Sweet Grass, Teton, Valley, Yellowstone, Custer, Wright, Yellow Medicine Counties, White Earth Indian Reservation
* 1910 Film includes : Powell, Teton, Rosebud, Sanders, Sweet Grass, Valley, Yellowstone Counties
| Shelby | 1860 |
| Stotland | 1860 |