| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 96 | 829 | 931 | |
| 2020 | R | 105 | 883 | 1,003 | |
| 2016 | R | 89 | 823 | 953 | |
| 2012 | R | 176 | 792 | 985 | |
| 2008 | R | 218 | 783 | 1,019 | |
| 2004 | R | 186 | 858 | 1,053 | |
| 2000 | R | 179 | 801 | 1,011 | |
| 1996 | R | 224 | 752 | 1,101 | |
| 1992 | R | 245 | 664 | 1,253 | |
| 1988 | R | 333 | 828 | 1,178 | |
| 1984 | R | 225 | 992 | 1,225 | |
| 1980 | R | 192 | 1,138 | 1,411 | |
| 1976 | R | 457 | 774 | 1,263 | |
| 1972 | R | 221 | 1,003 | 1,224 | |
| 1968 | R | 261 | 1,001 | 1,390 | |
| 1964 | R | 712 | 911 | 1,623 | |
| 1960 | R | 486 | 1,245 | 1,731 | |
| 1956 | R | 495 | 1,196 | 1,691 | |
| 1952 | R | 397 | 1,670 | 2,067 | |
| 1948 | R | 646 | 935 | 1,581 | |
| 1944 | R | 613 | 1,320 | 1,933 | |
| 1940 | R | 803 | 1,441 | 2,244 | |
| 1936 | D | 1,328 | 1,054 | 2,408 | |
| 1932 | D | 1,344 | 974 | 2,354 | |
| 1928 | R | 472 | 1,575 | 2,061 | |
| 1924 | R | 459 | 1,036 | 1,828 | |
| 1920 | R | 375 | 1,094 | 1,572 | |
| 1916 | D | 570 | 347 | 977 | |
| 1912 | D | 304 | 148 | 880 | |
| 1908 | R | 391 | 486 | 920 | |
| 1904 | R | 92 | 395 | 602 | |
| 1900 | R | 283 | 308 | 604 | |
| 1896 | D | 288 | 272 | 578 | |
| 1892 | D | 362 | 55 | 822 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Dundy sits in Nebraska's southwest corner along the Kansas and Colorado borders, where a sparse, agriculture-dependent population has delivered Republican presidential margins above 75 points in consecutive cycles.
The Republican margin in Dundy County reached its widest at seventy-nine points in 2024. The margin in 2024 was seventy-nine points, in line with the county's deep historical pattern.
Dundy County's loyalty is rooted in its place. Median household income of $58,922, a 93% non-Hispanic-white share, and a population of 1,736 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 Deuel County and Clay County.
