| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 287 | 3,343 | 3,658 | |
| 2020 | R | 403 | 3,496 | 3,930 | |
| 2016 | R | 363 | 3,503 | 3,953 | |
| 2012 | R | 574 | 3,180 | 3,824 | |
| 2008 | R | 808 | 2,824 | 3,692 | |
| 2004 | R | 1,504 | 2,996 | 4,539 | |
| 2000 | R | 1,714 | 2,667 | 4,456 | |
| 1996 | D | 1,807 | 1,612 | 3,845 | |
| 1992 | R | 1,715 | 1,961 | 4,095 | |
| 1988 | R | 1,581 | 2,587 | 4,196 | |
| 1984 | R | 1,471 | 3,238 | 4,760 | |
| 1980 | R | 1,567 | 2,793 | 4,430 | |
| 1976 | R | 1,267 | 2,120 | 3,413 | |
| 1972 | R | 661 | 2,495 | 3,204 | |
| 1968 | R | 759 | 1,943 | 2,840 | |
| 1964 | D | 1,694 | 1,567 | 3,306 | |
| 1960 | R | 1,116 | 2,809 | 3,925 | |
| 1956 | R | 694 | 2,927 | 3,633 | |
| 1952 | R | 1,174 | 2,641 | 3,815 | |
| 1948 | R | 911 | 1,964 | 2,898 | |
| 1944 | R | 571 | 2,067 | 2,639 | |
| 1940 | R | 826 | 2,275 | 3,102 | |
| 1936 | R | 817 | 2,037 | 2,855 | |
| 1932 | R | 770 | 1,774 | 2,559 | |
| 1928 | R | 404 | 1,674 | 2,081 | |
| 1924 | R | 364 | 1,512 | 2,073 | |
| 1920 | R | 330 | 1,726 | 2,077 | |
| 1916 | R | 280 | 1,100 | 1,403 | |
| 1912 | R | 256 | 655 | 1,209 | |
| 1908 | R | 240 | 1,042 | 1,313 | |
| 1904 | R | 188 | 900 | 1,107 | |
| 1900 | R | 246 | 812 | 1,066 | |
| 1896 | R | 227 | 730 | 964 | |
| 1892 | R | 229 | 475 | 717 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Martin County's R+83.6 margin in 2024 places it among the most one-sided presidential results recorded anywhere in the United States, reflecting a coalfield electorate that has shifted decisively over the past two decades.
The Democratic margin in Martin County peaked at five points in 1996. By 2000 the county had flipped, voting Republican for the first time in many years. The 2024 margin was eighty-four points, the most Republican-leaning result in the county's modern history.
The economic context is the key. Martin County's median household income of $37,042 sits well below state and national norms, and 33% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country. The county's voting pattern over the last decade is most similar to that of Johnson County and Alcorn County.
