| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 57 | 367 | 442 | |
| 2020 | R | 78 | 373 | 460 | |
| 2016 | R | 59 | 351 | 443 | |
| 2012 | R | 114 | 319 | 455 | |
| 2008 | R | 156 | 314 | 486 | |
| 2004 | R | 121 | 348 | 482 | |
| 2000 | R | 106 | 344 | 479 | |
| 1996 | R | 171 | 237 | 498 | |
| 1992 | R | 157 | 206 | 547 | |
| 1988 | R | 231 | 291 | 536 | |
| 1984 | R | 209 | 353 | 576 | |
| 1980 | R | 181 | 321 | 554 | |
| 1976 | R | 239 | 315 | 564 | |
| 1972 | R | 176 | 377 | 574 | |
| 1968 | R | 188 | 298 | 527 | |
| 1964 | D | 285 | 251 | 536 | |
| 1960 | R | 270 | 300 | 570 | |
| 1956 | R | 252 | 337 | 589 | |
| 1952 | R | 205 | 392 | 597 | |
| 1948 | D | 291 | 253 | 560 | |
| 1944 | R | 282 | 287 | 573 | |
| 1940 | D | 321 | 287 | 610 | |
| 1936 | D | 398 | 244 | 669 | |
| 1932 | D | 310 | 276 | 596 | |
| 1928 | R | 186 | 354 | 541 | |
| 1924 | R | 84 | 289 | 522 | |
| 1920 | R | 174 | 517 | 724 | |
| 1916 | — | — | — | — | |
| 1912 | — | — | — | — | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Treasure County's 861 residents make it one of the smallest electorates in the mountain West, yet its Yellowstone River ranch country has delivered some of Montana's most lopsided presidential margins for decades.
The Republican margin in Treasure County reached its widest at seventy points in 2024. The margin in 2024 was seventy points, in line with the county's deep historical pattern.
Treasure County's loyalty is rooted in its place. Median household income of $67,917, a 94% non-Hispanic-white share, and a population of 732 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Bowman County and Crook County.
