| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 5,553 | 34,434 | 40,388 | |
| 2020 | R | 5,943 | 33,191 | 39,655 | |
| 2016 | R | 4,917 | 29,233 | 34,828 | |
| 2012 | R | 6,299 | 25,867 | 32,566 | |
| 2008 | R | 7,038 | 25,727 | 33,166 | |
| 2004 | R | 8,452 | 22,783 | 31,491 | |
| 2000 | R | 10,381 | 17,084 | 27,989 | |
| 1996 | R | 8,722 | 12,323 | 23,300 | |
| 1992 | R | 10,421 | 12,249 | 26,717 | |
| 1988 | R | 7,357 | 12,148 | 19,947 | |
| 1984 | R | 7,704 | 12,330 | 20,391 | |
| 1980 | D | 10,854 | 8,159 | 19,933 | |
| 1976 | D | 13,696 | 6,006 | 20,100 | |
| 1972 | R | 3,894 | 12,090 | 16,238 | |
| 1968 | R | 955 | 2,725 | 16,680 | |
| 1964 | R | 0 | 5,712 | 10,140 | |
| 1960 | D | 6,595 | 3,398 | 10,001 | |
| 1956 | D | 6,329 | 3,071 | 9,495 | |
| 1952 | D | 6,011 | 2,069 | 8,099 | |
| 1948 | R | 0 | 870 | 3,387 | |
| 1944 | D | 3,356 | 1,200 | 4,561 | |
| 1940 | D | 4,142 | 913 | 5,079 | |
| 1936 | D | 4,208 | 925 | 5,152 | |
| 1932 | D | 3,921 | 904 | 4,935 | |
| 1928 | R | 2,322 | 2,511 | 4,844 | |
| 1924 | D | 2,629 | 1,718 | 4,433 | |
| 1920 | D | 4,041 | 3,879 | 7,958 | |
| 1916 | D | 1,944 | 1,183 | 3,170 | |
| 1912 | D | 1,457 | 428 | 3,093 | |
| 1908 | D | 1,313 | 923 | 2,341 | |
| 1904 | D | 1,336 | 966 | 2,609 | |
| 1900 | D | 1,398 | 1,139 | 2,825 | |
| 1896 | D | 1,944 | 520 | 2,534 | |
| 1892 | D | 1,521 | 1 | 2,627 | |
| 1888 | D | 1,166 | 248 | 1,468 | |
| 1884 | D | 987 | 73 | 1,062 | |
| 1880 | D | 939 | 83 | 1,081 | |
| 1876 | D | 1,067 | 167 | 1,234 |
Marshall County delivered a 71.7-point Republican margin in the 2024 presidential race, a figure that places it among the most one-sided counties in the state and reflects the broader realignment of rural Appalachian Alabama over the past two decades.
The unraveling was not abrupt. The Democratic margin in Marshall County peaked at eighty-six points in 1884; it narrowed steadily over the late twentieth century. The 1984 election delivered the county to the Republican party for the first time in many years, by a margin of twenty-three points. By 2024, the margin had widened further.
The economic and demographic context is severe. Marshall County's median household income of $62,571 is among the lowest of any county in the United States; 17% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Cullman County and Wagoner County.
