| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 964 | 1,796 | 2,824 | |
| 2020 | R | 1,053 | 1,863 | 2,974 | |
| 2016 | R | 921 | 1,608 | 2,755 | |
| 2012 | R | 1,345 | 1,385 | 2,789 | |
| 2008 | D | 1,552 | 1,362 | 2,990 | |
| 2004 | D | 1,536 | 1,483 | 3,067 | |
| 2000 | D | 1,430 | 1,370 | 2,980 | |
| 1996 | D | 1,619 | 990 | 3,001 | |
| 1992 | D | 1,610 | 1,052 | 3,420 | |
| 1988 | D | 2,026 | 1,469 | 3,526 | |
| 1984 | D | 1,994 | 1,821 | 3,847 | |
| 1980 | R | 1,814 | 1,950 | 4,091 | |
| 1976 | D | 2,581 | 1,332 | 4,007 | |
| 1972 | D | 2,185 | 1,748 | 4,017 | |
| 1968 | D | 2,119 | 1,645 | 3,946 | |
| 1964 | D | 2,831 | 1,331 | 4,172 | |
| 1960 | D | 2,437 | 1,834 | 4,282 | |
| 1956 | D | 2,180 | 1,737 | 3,925 | |
| 1952 | R | 2,107 | 2,260 | 4,392 | |
| 1948 | D | 2,466 | 1,321 | 3,886 | |
| 1944 | D | 2,120 | 1,608 | 3,752 | |
| 1940 | D | 2,517 | 1,925 | 4,482 | |
| 1936 | D | 2,648 | 1,116 | 3,999 | |
| 1932 | D | 3,200 | 868 | 4,136 | |
| 1928 | D | 2,133 | 1,641 | 3,799 | |
| 1924 | R | 260 | 1,524 | 3,303 | |
| 1920 | R | 451 | 2,415 | 3,090 | |
| 1916 | D | 869 | 810 | 1,805 | |
| 1912 | D | 677 | 244 | 1,676 | |
| 1908 | R | 565 | 965 | 1,670 | |
| 1904 | R | 318 | 1,234 | 1,688 | |
| 1900 | R | 644 | 1,081 | 1,824 | |
| 1896 | R | 742 | 1,048 | 1,881 | |
| 1892 | D | 576 | 498 | 1,382 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Big Stone sits along the South Dakota border with fewer than 6,000 residents spread across glacial lake plains. Republican presidential margins here have grown steadily over the past decade, reaching nearly 30 points in 2024.
The Republican margin in Big Stone County reached its widest at sixty-four points in 1920. The margin in 2024 was twenty-nine points, in line with the county's deep historical pattern.
Big Stone County's loyalty is rooted in its place. Median household income of $70,400, a 94% non-Hispanic-white share, and a population of 5,127 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 Pine County and Lac qui Parle County.
