| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 214 | 1,059 | 1,298 | |
| 2020 | R | 227 | 1,139 | 1,380 | |
| 2016 | R | 215 | 1,071 | 1,337 | |
| 2012 | R | 339 | 1,029 | 1,381 | |
| 2008 | R | 482 | 937 | 1,440 | |
| 2004 | R | 463 | 1,143 | 1,618 | |
| 2000 | D | 2,237 | 1,700 | 4,074 | |
| 1996 | D | 2,186 | 1,646 | 4,333 | |
| 1992 | D | 1,716 | 1,437 | 4,121 | |
| 1988 | R | 701 | 1,175 | 1,893 | |
| 1984 | R | 482 | 1,551 | 2,035 | |
| 1980 | R | 436 | 1,633 | 2,169 | |
| 1976 | R | 908 | 1,136 | 2,052 | |
| 1972 | R | 858 | 1,389 | 2,253 | |
| 1968 | R | 780 | 1,273 | 2,202 | |
| 1964 | D | 1,260 | 954 | 2,214 | |
| 1960 | R | 1,004 | 1,326 | 2,330 | |
| 1956 | R | 843 | 1,445 | 2,288 | |
| 1952 | R | 579 | 1,625 | 2,204 | |
| 1948 | R | 1,039 | 1,044 | 2,101 | |
| 1944 | R | 717 | 1,001 | 1,718 | |
| 1940 | R | 1,054 | 1,278 | 2,332 | |
| 1936 | D | 1,338 | 914 | 2,306 | |
| 1932 | D | 1,668 | 660 | 2,350 | |
| 1928 | R | 1,100 | 1,240 | 2,350 | |
| 1924 | R | 283 | 1,075 | 1,797 | |
| 1920 | R | 255 | 1,073 | 1,484 | |
| 1916 | D | 512 | 408 | 938 | |
| 1912 | D | 423 | 0 | 901 | |
| 1908 | R | 400 | 614 | 1,057 | |
| 1904 | R | 275 | 525 | 836 | |
| 1900 | D | 381 | 375 | 782 | |
| 1896 | D | 390 | 333 | 728 | |
| 1892 | R | 57 | 320 | 626 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
With fewer than 2,700 residents spread across nearly 900 square miles of central South Dakota rangeland, Potter County has delivered Republican presidential margins exceeding 60 points in recent cycles, making it a reliable data point for studying rural Plains voting patterns.
The Republican margin in Potter County reached its widest at sixty-six points in 2020. The margin in 2024 was sixty-five points, in line with the county's deep historical pattern.
Potter County's loyalty is rooted in its place. Median household income of $72,045, a 93% non-Hispanic-white share, and a population of 2,388 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 Brunswick County and Pender County.
