| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 885 | 3,770 | 4,810 | |
| 2020 | R | 835 | 3,173 | 4,097 | |
| 2016 | R | 573 | 2,348 | 3,133 | |
| 2012 | R | 764 | 2,152 | 3,011 | |
| 2008 | R | 857 | 1,875 | 2,807 | |
| 2004 | R | 533 | 1,778 | 2,356 | |
| 2000 | R | 462 | 1,488 | 2,074 | |
| 1996 | R | 603 | 1,029 | 1,966 | |
| 1992 | R | 491 | 830 | 1,842 | |
| 1988 | R | 592 | 1,054 | 1,683 | |
| 1984 | R | 458 | 1,345 | 1,830 | |
| 1980 | R | 401 | 1,052 | 1,564 | |
| 1976 | R | 557 | 820 | 1,389 | |
| 1972 | R | 411 | 916 | 1,376 | |
| 1968 | R | 439 | 671 | 1,236 | |
| 1964 | R | 595 | 609 | 1,204 | |
| 1960 | R | 631 | 680 | 1,311 | |
| 1956 | R | 449 | 869 | 1,318 | |
| 1952 | R | 435 | 962 | 1,397 | |
| 1948 | R | 536 | 704 | 1,266 | |
| 1944 | R | 558 | 760 | 1,323 | |
| 1940 | D | 854 | 755 | 1,613 | |
| 1936 | D | 1,071 | 502 | 1,597 | |
| 1932 | D | 988 | 512 | 1,519 | |
| 1928 | R | 663 | 743 | 1,415 | |
| 1924 | R | 486 | 531 | 1,408 | |
| 1920 | R | 622 | 723 | 1,404 | |
| 1916 | D | 1,100 | 584 | 1,746 | |
| 1912 | D | 451 | 205 | 933 | |
| 1908 | D | 495 | 326 | 861 | |
| 1904 | D | 403 | 392 | 873 | |
| 1900 | D | 572 | 318 | 901 | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
With fewer than 4,500 residents spread across ranchland east of the Continental Divide, Broadwater County delivered a 60-point Republican presidential margin in 2024, consistent with its decades-long pattern of lopsided rural-conservative voting.
The Republican margin in Broadwater County reached its widest at sixty points in 2024. The margin in 2024 was sixty points, in line with the county's deep historical pattern.
Broadwater County's loyalty is rooted in its place. Median household income of $70,374, a 89% non-Hispanic-white share, and a population of 7,668 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 Washington County and Payette County.
