| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 71 | 463 | 546 | |
| 2020 | R | 77 | 516 | 598 | |
| 2016 | R | 55 | 463 | 541 | |
| 2012 | R | 98 | 421 | 544 | |
| 2008 | R | 146 | 379 | 561 | |
| 2004 | R | 144 | 407 | 560 | |
| 2000 | R | 121 | 369 | 518 | |
| 1996 | R | 197 | 284 | 613 | |
| 1992 | R | 195 | 234 | 607 | |
| 1988 | R | 258 | 358 | 629 | |
| 1984 | R | 216 | 423 | 651 | |
| 1980 | R | 219 | 450 | 731 | |
| 1976 | D | 352 | 308 | 691 | |
| 1972 | R | 283 | 390 | 703 | |
| 1968 | R | 252 | 347 | 655 | |
| 1964 | D | 427 | 308 | 737 | |
| 1960 | D | 419 | 387 | 806 | |
| 1956 | R | 390 | 431 | 821 | |
| 1952 | R | 324 | 556 | 885 | |
| 1948 | D | 471 | 421 | 905 | |
| 1944 | R | 425 | 432 | 859 | |
| 1940 | D | 576 | 461 | 1,043 | |
| 1936 | D | 790 | 362 | 1,161 | |
| 1932 | D | 798 | 445 | 1,252 | |
| 1928 | R | 448 | 583 | 1,036 | |
| 1924 | R | 189 | 505 | 887 | |
| 1920 | R | 223 | 692 | 966 | |
| 1916 | D | 585 | 466 | 1,106 | |
| 1912 | — | — | — | — | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Wibaux sits in Montana's eastern plains near the North Dakota border, with a cattle-ranching economy and a population under 1,100. Its 2024 presidential margin of R+71.8 ranks among the widest in the state.
The Republican margin in Wibaux County reached its widest at seventy-five points in 2016. The margin in 2024 was seventy-two points, in line with the county's deep historical pattern.
Wibaux County's loyalty is rooted in its place. Median household income of $67,462, a 92% non-Hispanic-white share, and a population of 1,193 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 Richland County and Williams County.
