| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 21,038 | 50,551 | 73,074 | |
| 2020 | R | 16,742 | 43,550 | 61,940 | |
| 2016 | R | 11,674 | 39,986 | 55,278 | |
| 2012 | R | 10,537 | 35,625 | 46,162 | |
| 2008 | R | 11,426 | 36,428 | 47,854 | |
| 2004 | R | 9,712 | 33,297 | 43,009 | |
| 2000 | R | 8,367 | 22,679 | 31,360 | |
| 1996 | R | 8,977 | 18,139 | 30,536 | |
| 1992 | R | 7,215 | 16,756 | 33,050 | |
| 1988 | R | 7,453 | 17,872 | 25,530 | |
| 1984 | R | 5,245 | 20,929 | 26,320 | |
| 1980 | R | 4,889 | 15,272 | 21,041 | |
| 1976 | R | 7,288 | 9,766 | 17,339 | |
| 1972 | R | 2,751 | 11,400 | 14,564 | |
| 1968 | R | 3,577 | 5,891 | 11,993 | |
| 1964 | D | 5,747 | 5,193 | 10,940 | |
| 1960 | R | 4,234 | 5,697 | 9,931 | |
| 1956 | R | 3,896 | 5,702 | 9,598 | |
| 1952 | R | 4,203 | 7,289 | 11,492 | |
| 1948 | D | 5,568 | 3,729 | 9,297 | |
| 1944 | D | 4,800 | 4,674 | 9,492 | |
| 1940 | D | 5,506 | 4,699 | 10,237 | |
| 1936 | D | 6,135 | 3,325 | 9,508 | |
| 1932 | D | 6,767 | 2,549 | 9,316 | |
| 1928 | R | 2,786 | 5,011 | 7,875 | |
| 1924 | R | 3,065 | 3,070 | 7,397 | |
| 1920 | R | 3,268 | 3,881 | 7,444 | |
| 1916 | D | 2,200 | 1,590 | 4,259 | |
| 1912 | D | 2,047 | 1,794 | 4,222 | |
| 1908 | D | 2,124 | 1,931 | 4,219 | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Canadian County anchors the western edge of the Oklahoma City metro, where rapid suburban expansion has accompanied some of the state's steepest population growth — yet its presidential margins have held firmly above R+40 across recent cycles.
The Republican margin in Canadian County reached its widest at sixty points in 1984. The margin in 2024 was forty points, in line with the county's deep historical pattern.
Canadian County's loyalty is rooted in its place. Median household income of $87,751, a 73% non-Hispanic-white share, and a population of 168,985 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 St. Tammany Parish and Randall County.
