| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,615 | 13,162 | 15,860 | |
| 2020 | R | 2,954 | 12,542 | 15,627 | |
| 2016 | R | 2,590 | 10,609 | 13,419 | |
| 2012 | R | 3,423 | 9,957 | 13,517 | |
| 2008 | R | 3,658 | 9,022 | 12,776 | |
| 2004 | R | 4,471 | 8,347 | 12,873 | |
| 2000 | R | 4,533 | 7,071 | 11,742 | |
| 1996 | D | 5,039 | 4,523 | 10,640 | |
| 1992 | D | 5,658 | 3,870 | 12,087 | |
| 1988 | D | 6,613 | 4,985 | 11,629 | |
| 1984 | R | 5,787 | 5,965 | 11,779 | |
| 1980 | D | 5,707 | 4,396 | 10,257 | |
| 1976 | D | 5,422 | 3,167 | 8,607 | |
| 1972 | R | 2,746 | 4,575 | 7,325 | |
| 1968 | D | 2,438 | 1,839 | 7,183 | |
| 1964 | D | 3,600 | 1,919 | 5,537 | |
| 1960 | D | 3,004 | 2,102 | 5,123 | |
| 1956 | R | 1,856 | 2,430 | 4,308 | |
| 1952 | D | 2,595 | 1,946 | 4,543 | |
| 1948 | D | 1,777 | 284 | 2,527 | |
| 1944 | D | 1,850 | 341 | 2,427 | |
| 1940 | D | 2,236 | 220 | 2,456 | |
| 1936 | D | 1,500 | 109 | 1,612 | |
| 1932 | D | 1,990 | 93 | 2,084 | |
| 1928 | D | 898 | 611 | 1,511 | |
| 1924 | D | 1,526 | 176 | 1,719 | |
| 1920 | D | 793 | 62 | 1,095 | |
| 1916 | D | 906 | 75 | 1,026 | |
| 1912 | D | 628 | 40 | 924 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Jasper County sits in the forested Sabine River corridor of East Texas, where a decades-long Democratic tradition has given way to some of the state's most lopsided Republican margins, reflecting broader rural realignment across the region.
The unraveling was not abrupt. The Democratic margin in Jasper County peaked at ninety-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 twenty-two points. By 2024, the margin had widened further.
The economic and demographic context is severe. Jasper County's median household income of $56,723 is among the lowest of any county in the United States; 21% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Tyler County and Fannin County.