| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 584 | 5,288 | 5,908 | |
| 2020 | R | 614 | 5,069 | 5,752 | |
| 2016 | R | 536 | 4,377 | 5,018 | |
| 2012 | R | 740 | 4,266 | 5,057 | |
| 2008 | R | 1,085 | 4,213 | 5,339 | |
| 2004 | R | 1,299 | 3,971 | 5,288 | |
| 2000 | R | 1,460 | 3,112 | 4,637 | |
| 1996 | R | 1,690 | 1,997 | 4,160 | |
| 1992 | D | 1,919 | 1,586 | 4,910 | |
| 1988 | D | 2,288 | 2,043 | 4,340 | |
| 1984 | R | 1,844 | 2,569 | 4,426 | |
| 1980 | D | 2,233 | 1,824 | 4,109 | |
| 1976 | D | 2,568 | 1,200 | 3,783 | |
| 1972 | R | 1,023 | 1,893 | 2,945 | |
| 1968 | D | 1,573 | 936 | 3,174 | |
| 1964 | D | 2,357 | 659 | 3,020 | |
| 1960 | D | 1,692 | 1,019 | 2,718 | |
| 1956 | D | 1,813 | 990 | 2,808 | |
| 1952 | D | 2,044 | 1,272 | 3,316 | |
| 1948 | D | 2,131 | 332 | 2,583 | |
| 1944 | D | 2,307 | 311 | 2,980 | |
| 1940 | D | 2,357 | 427 | 2,790 | |
| 1936 | D | 2,168 | 196 | 2,380 | |
| 1932 | D | 2,365 | 151 | 2,523 | |
| 1928 | R | 1,160 | 1,327 | 2,487 | |
| 1924 | D | 1,402 | 318 | 1,833 | |
| 1920 | D | 1,324 | 446 | 1,821 | |
| 1916 | D | 1,324 | 177 | 1,560 | |
| 1912 | D | 1,002 | 54 | 1,300 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Clay County, a sparsely populated ranching enclave in north-central Texas, recorded a 2024 presidential margin exceeding 79 points Republican — among the widest in the state — reflecting a rural demographic that has shifted decisively over recent cycles.
The unraveling was not abrupt. The Democratic margin in Clay County peaked at eighty-eight points in 1932; it narrowed steadily over the late twentieth century. The 1996 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. Clay County's median household income of $80,114 is among the lowest of any county in the United States; 8% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Montague County and Hardin County.