| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 66 | 860 | 935 | |
| 2020 | R | 70 | 970 | 1,054 | |
| 2016 | R | 71 | 963 | 1,079 | |
| 2012 | R | 115 | 1,082 | 1,197 | |
| 2008 | R | 152 | 1,119 | 1,271 | |
| 2004 | R | 184 | 1,242 | 1,426 | |
| 2000 | R | 227 | 1,230 | 1,484 | |
| 1996 | R | 361 | 986 | 1,455 | |
| 1992 | R | 395 | 965 | 1,624 | |
| 1988 | R | 470 | 1,153 | 1,647 | |
| 1984 | R | 359 | 1,420 | 1,794 | |
| 1980 | R | 373 | 1,404 | 1,821 | |
| 1976 | D | 962 | 872 | 1,879 | |
| 1972 | R | 323 | 1,350 | 1,885 | |
| 1968 | R | 436 | 1,122 | 2,085 | |
| 1964 | R | 878 | 1,225 | 2,103 | |
| 1960 | R | 696 | 1,316 | 2,012 | |
| 1956 | R | 812 | 1,053 | 1,865 | |
| 1952 | R | 705 | 1,438 | 2,143 | |
| 1948 | D | 894 | 650 | 1,544 | |
| 1944 | R | 746 | 822 | 1,579 | |
| 1940 | D | 989 | 841 | 1,853 | |
| 1936 | D | 1,342 | 555 | 1,910 | |
| 1932 | D | 1,895 | 571 | 2,466 | |
| 1928 | R | 566 | 1,139 | 1,725 | |
| 1924 | D | 672 | 586 | 1,422 | |
| 1920 | R | 465 | 630 | 1,178 | |
| 1916 | D | 387 | 238 | 771 | |
| 1912 | D | 342 | 263 | 710 | |
| 1908 | D | 449 | 371 | 858 | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Cimarron County, anchored by cattle ranching and sparse settlement across Oklahoma's far western panhandle, recorded an R+84.9 margin in 2024 — among the most lopsided presidential results of any county nationwide.
The Republican margin in Cimarron County reached its widest at eighty-five points in 2020. The margin in 2024 was eighty-five points, in line with the county's deep historical pattern.
Cimarron County's loyalty is rooted in its place. Median household income of $62,188, a 68% non-Hispanic-white share, and a population of 2,218 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Oldham County and Hartley County.
