| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 34 | 348 | 390 | |
| 2020 | R | 43 | 362 | 411 | |
| 2016 | R | 19 | 357 | 402 | |
| 2012 | R | 55 | 346 | 411 | |
| 2008 | R | 62 | 348 | 416 | |
| 2004 | R | 56 | 379 | 437 | |
| 2000 | R | 65 | 390 | 462 | |
| 1996 | R | 62 | 309 | 406 | |
| 1992 | R | 68 | 284 | 480 | |
| 1988 | R | 112 | 361 | 477 | |
| 1984 | R | 58 | 457 | 522 | |
| 1980 | R | 33 | 481 | 532 | |
| 1976 | R | 210 | 281 | 513 | |
| 1972 | R | 96 | 404 | 500 | |
| 1968 | R | 72 | 350 | 491 | |
| 1964 | R | 196 | 357 | 553 | |
| 1960 | R | 211 | 424 | 635 | |
| 1956 | R | 185 | 329 | 514 | |
| 1952 | R | 139 | 484 | 623 | |
| 1948 | R | 229 | 309 | 538 | |
| 1944 | R | 154 | 378 | 532 | |
| 1940 | R | 226 | 450 | 676 | |
| 1936 | D | 367 | 277 | 650 | |
| 1932 | D | 357 | 285 | 651 | |
| 1928 | R | 81 | 548 | 635 | |
| 1924 | R | 88 | 245 | 492 | |
| 1920 | R | 69 | 258 | 356 | |
| 1916 | D | 166 | 142 | 332 | |
| 1912 | D | 56 | 53 | 273 | |
| 1908 | R | 74 | 175 | 268 | |
| 1904 | R | 18 | 155 | 190 | |
| 1900 | R | 71 | 186 | 266 | |
| 1896 | R | 130 | 173 | 306 | |
| 1892 | D | 197 | 29 | 414 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Banner County's 819 residents occupy a remote stretch of Nebraska Panhandle rangeland, and its electorate has delivered Republican presidential margins above 80 points in recent cycles, making it a consistent outlier even within a heavily red state.
The Republican margin in Banner County reached its widest at eighty-four points in 1980. The margin in 2024 was eighty-one points, in line with the county's deep historical pattern.
Banner County's loyalty is rooted in its place. Median household income of $78,839, a 86% non-Hispanic-white share, and a population of 742 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 Arthur County and Kiowa County.
