Musselshell County, Montana
| Donald Trump ✓Republican | 84.7% | 2,550 |
|---|---|---|
| Kamala HarrisDemocratic | 13.1% | 396 |
| Robert F Kennedy Jr.We The People | 1.3% | 38 |
| Year | Margin (D minus R) |
|---|---|
| 1912 | −0.8% |
| 1916 | +7.4% |
| 1920 | −29.7% |
| 1924 | −38.0% |
| 1928 | −5.2% |
| 1932 | +19.8% |
| 1936 | +43.8% |
| 1940 | +24.4% |
| 1944 | +14.2% |
| 1948 | +7.1% |
| 1952 | −0.5% |
| 1956 | −2.2% |
| 1960 | −0.3% |
| 1964 | +18.2% |
| 1968 | −8.5% |
| 1972 | −26.1% |
| 1976 | −9.4% |
| 1980 | −22.5% |
| 1984 | −32.2% |
| 1988 | −17.3% |
| 1992 | −10.2% |
| 1996 | −22.6% |
| 2000 | −48.5% |
| 2004 | −50.1% |
| 2008 | −41.0% |
| 2012 | −55.7% |
| 2016 | −67.0% |
| 2020 | −69.8% |
| 2024 | −71.5% |
| Year | Total registered |
|---|---|
| 2016 | 3,031 |
| 2018 | 3,256 |
| 2020 | 3,571 |
| 2022 | 3,558 |
| 2024 | 3,874 |
Musselshell County, anchored by the small ranching town of Roundup, recorded a 71.5-point Republican presidential margin in 2024—among the widest in a state already defined by its rural conservative lean.
Across the recorded series it reached a Democratic high of 43.8 points in 1936 and a Republican high of 71.5 points in 2024. Between 2020 and 2024 the county moved 1.7 points toward the Republican candidate; the 2024 margin was 71.5 points.
A population of 5,152, a 87% non-Hispanic-white share, and a median household income of $58,920 describe the county. The county's voting pattern over the last decade is most similar to that of Slope County and Logan County.
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Musselshell County, Montana. Akashic. https://akashic.app/county/30065/. Accessed May 20, 2026. License: CC BY 4.0.