| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 148 | 530 | 695 | |
| 2020 | R | 136 | 564 | 710 | |
| 2016 | R | 125 | 543 | 690 | |
| 2012 | R | 189 | 531 | 733 | |
| 2008 | R | 226 | 547 | 785 | |
| 2004 | R | 259 | 631 | 900 | |
| 2000 | D | 592 | 218 | 835 | |
| 1996 | R | 309 | 493 | 904 | |
| 1992 | R | 301 | 440 | 955 | |
| 1988 | R | 436 | 546 | 1,019 | |
| 1984 | R | 350 | 797 | 1,148 | |
| 1980 | R | 273 | 864 | 1,221 | |
| 1976 | R | 572 | 687 | 1,263 | |
| 1972 | R | 533 | 789 | 1,326 | |
| 1968 | R | 499 | 713 | 1,325 | |
| 1964 | D | 736 | 666 | 1,402 | |
| 1960 | R | 660 | 773 | 1,433 | |
| 1956 | R | 597 | 755 | 1,352 | |
| 1952 | R | 393 | 1,051 | 1,444 | |
| 1948 | R | 553 | 817 | 1,379 | |
| 1944 | R | 454 | 842 | 1,296 | |
| 1940 | R | 670 | 1,018 | 1,688 | |
| 1936 | R | 683 | 795 | 1,514 | |
| 1932 | D | 895 | 678 | 1,596 | |
| 1928 | R | 608 | 961 | 1,580 | |
| 1924 | R | 257 | 669 | 1,324 | |
| 1920 | R | 233 | 710 | 1,036 | |
| 1916 | D | 438 | 305 | 788 | |
| 1912 | D | 232 | 0 | 700 | |
| 1908 | R | 212 | 455 | 706 | |
| 1904 | R | 91 | 443 | 576 | |
| 1900 | R | 115 | 286 | 410 | |
| 1896 | R | 121 | 223 | 346 | |
| 1892 | R | 51 | 184 | 326 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Hyde County's 2020 presidential margin of R+60.3 reflects a pattern common to the Great Plains' sparsely settled ranching counties, where fewer than 1,700 residents spread across open grassland produce some of the nation's most lopsided electoral results.
The unraveling was not abrupt. The Democratic margin in Hyde County peaked at forty-five points in 2000; it narrowed steadily over the late twentieth century. The 2004 election delivered the county to the Republican party for the first time in many years, by a margin of forty-one points. By 2024, the margin had widened further.
The economic and demographic context is severe. Hyde County's median household income of $73,472 is among the lowest of any county in the United States; 6% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Perkins County and Stanley County.
