| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 710 | 2,466 | 3,282 | |
| 2020 | R | 752 | 2,355 | 3,179 | |
| 2016 | R | 551 | 2,029 | 2,794 | |
| 2012 | R | 888 | 1,806 | 2,777 | |
| 2008 | R | 1,021 | 1,683 | 2,814 | |
| 2004 | R | 761 | 1,993 | 2,830 | |
| 2000 | R | 638 | 1,971 | 2,832 | |
| 1996 | R | 952 | 1,274 | 2,802 | |
| 1992 | R | 989 | 1,058 | 2,938 | |
| 1988 | R | 1,174 | 1,574 | 2,795 | |
| 1984 | R | 1,066 | 1,877 | 3,012 | |
| 1980 | R | 883 | 1,770 | 2,993 | |
| 1976 | R | 1,302 | 1,610 | 2,951 | |
| 1972 | R | 1,050 | 1,720 | 2,882 | |
| 1968 | R | 1,206 | 1,301 | 2,739 | |
| 1964 | D | 1,896 | 1,140 | 3,040 | |
| 1960 | D | 1,522 | 1,497 | 3,025 | |
| 1956 | R | 1,214 | 1,683 | 2,897 | |
| 1952 | R | 1,281 | 1,783 | 3,082 | |
| 1948 | D | 1,427 | 1,163 | 2,674 | |
| 1944 | D | 1,527 | 1,100 | 2,645 | |
| 1940 | D | 1,765 | 1,116 | 2,902 | |
| 1936 | D | 2,060 | 799 | 2,914 | |
| 1932 | D | 1,869 | 1,031 | 2,995 | |
| 1928 | R | 1,031 | 1,568 | 2,622 | |
| 1924 | R | 559 | 982 | 2,431 | |
| 1920 | R | 787 | 1,345 | 2,352 | |
| 1916 | D | 1,340 | 939 | 2,362 | |
| 1912 | D | 545 | 335 | 1,445 | |
| 1908 | R | 560 | 599 | 1,207 | |
| 1904 | R | 422 | 721 | 1,191 | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Powell County's electorate has voted Republican by landslide margins for decades, shaped by a sparse, rural population centered on Deer Lodge, home to the Montana State Prison and little other economic anchor.
The Republican margin in Powell County reached its widest at fifty-four points in 2024. The margin in 2024 was fifty-four points, in line with the county's deep historical pattern.
Powell County's loyalty is rooted in its place. Median household income of $66,923, a 87% non-Hispanic-white share, and a population of 7,053 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 Stillwater County and Carbon County.
