| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 557 | 1,829 | 2,453 | |
| 2020 | R | 608 | 1,742 | 2,424 | |
| 2016 | R | 554 | 1,667 | 2,407 | |
| 2012 | R | 853 | 1,610 | 2,535 | |
| 2008 | R | 1,044 | 1,525 | 2,620 | |
| 2004 | R | 883 | 1,890 | 2,821 | |
| 2000 | R | 806 | 1,853 | 2,786 | |
| 1996 | R | 953 | 1,418 | 2,665 | |
| 1992 | R | 918 | 1,514 | 3,060 | |
| 1988 | R | 1,249 | 2,064 | 3,336 | |
| 1984 | R | 1,051 | 2,460 | 3,546 | |
| 1980 | R | 917 | 2,455 | 3,574 | |
| 1976 | R | 1,612 | 2,027 | 3,709 | |
| 1972 | R | 1,266 | 2,277 | 3,581 | |
| 1968 | R | 1,098 | 2,087 | 3,348 | |
| 1964 | D | 1,818 | 1,808 | 3,630 | |
| 1960 | R | 1,433 | 2,420 | 3,856 | |
| 1956 | R | 1,435 | 2,327 | 3,770 | |
| 1952 | R | 1,150 | 2,917 | 4,095 | |
| 1948 | R | 1,264 | 1,774 | 3,232 | |
| 1944 | R | 1,339 | 2,134 | 3,492 | |
| 1940 | R | 1,721 | 2,777 | 4,835 | |
| 1936 | D | 2,287 | 1,533 | 4,458 | |
| 1932 | D | 3,068 | 1,424 | 4,643 | |
| 1928 | R | 1,977 | 2,250 | 4,253 | |
| 1924 | R | 352 | 1,716 | 3,930 | |
| 1920 | R | 766 | 2,887 | 3,809 | |
| 1916 | R | 920 | 1,037 | 2,069 | |
| 1912 | D | 723 | 494 | 1,652 | |
| 1908 | R | 633 | 1,062 | 1,742 | |
| 1904 | R | 336 | 998 | 1,433 | |
| 1900 | R | 567 | 763 | 1,358 | |
| 1896 | R | 587 | 619 | 1,212 | |
| 1892 | R | 0 | 509 | 1,173 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Dickey County's 5,757 residents are spread across rolling prairie near the South Dakota line, and its presidential margins have consistently ranked among North Dakota's most lopsided, reflecting the overwhelmingly rural, agricultural character of the region.
The Republican margin in Dickey County reached its widest at fifty-six points in 1920. The margin in 2024 was fifty-two points, in line with the county's deep historical pattern.
Dickey County's loyalty is rooted in its place. Median household income of $68,654, a 90% non-Hispanic-white share, and a population of 4,935 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 Grundy County and Mills County.