| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,080 | 4,689 | 5,885 | |
| 2020 | R | 1,156 | 4,612 | 5,894 | |
| 2016 | R | 1,087 | 4,175 | 5,528 | |
| 2012 | R | 1,540 | 3,606 | 5,146 | |
| 2008 | R | 1,592 | 3,746 | 5,338 | |
| 2004 | R | 2,130 | 3,665 | 5,795 | |
| 2000 | R | 2,263 | 2,609 | 4,922 | |
| 1996 | D | 2,620 | 1,712 | 5,068 | |
| 1992 | D | 2,594 | 1,536 | 5,588 | |
| 1988 | D | 2,697 | 2,056 | 4,794 | |
| 1984 | R | 2,229 | 3,073 | 5,347 | |
| 1980 | R | 2,384 | 2,494 | 5,067 | |
| 1976 | D | 2,932 | 1,563 | 4,536 | |
| 1972 | R | 1,294 | 2,983 | 4,372 | |
| 1968 | D | 1,773 | 1,454 | 4,254 | |
| 1964 | D | 3,083 | 1,236 | 4,319 | |
| 1960 | D | 2,129 | 1,993 | 4,122 | |
| 1956 | D | 2,482 | 1,809 | 4,291 | |
| 1952 | D | 2,868 | 1,885 | 4,753 | |
| 1948 | D | 3,054 | 798 | 3,852 | |
| 1944 | D | 2,602 | 1,005 | 3,616 | |
| 1940 | D | 3,126 | 1,238 | 4,381 | |
| 1936 | D | 3,181 | 823 | 4,027 | |
| 1932 | D | 3,086 | 532 | 3,618 | |
| 1928 | R | 1,498 | 1,631 | 3,165 | |
| 1924 | D | 2,083 | 784 | 3,015 | |
| 1920 | D | 1,744 | 1,362 | 3,227 | |
| 1916 | D | 1,305 | 458 | 2,119 | |
| 1912 | D | 987 | 321 | 1,863 | |
| 1908 | D | 1,111 | 574 | 1,974 | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Murray County's R+61.3 margin in 2024 reflects the deep-red consistency typical of rural southcentral Oklahoma, where presidential results have moved little across recent cycles despite a modest population of under 13,000.
The unraveling was not abrupt. The Democratic margin in Murray County peaked at seventy-one points in 1932; it narrowed steadily over the late twentieth century. The 2000 election delivered the county to the Republican party for the first time in many years, by a margin of seven points. By 2024, the margin had widened further.
The economic and demographic context is severe. Murray County's median household income of $66,322 is among the lowest of any county in the United States; 13% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Seminole County and Marshall County.