| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 276 | 708 | 999 | |
| 2020 | R | 270 | 721 | 1,006 | |
| 2016 | R | 264 | 648 | 967 | |
| 2012 | R | 452 | 538 | 1,006 | |
| 2008 | R | 542 | 546 | 1,105 | |
| 2004 | R | 482 | 736 | 1,236 | |
| 2000 | D | 624 | 468 | 1,122 | |
| 1996 | D | 656 | 530 | 1,364 | |
| 1992 | D | 600 | 518 | 1,467 | |
| 1988 | R | 751 | 777 | 1,534 | |
| 1984 | R | 542 | 1,012 | 1,562 | |
| 1980 | R | 595 | 1,018 | 1,729 | |
| 1976 | D | 845 | 821 | 1,669 | |
| 1972 | R | 829 | 988 | 1,820 | |
| 1968 | R | 745 | 1,002 | 1,803 | |
| 1964 | D | 999 | 857 | 1,856 | |
| 1960 | R | 863 | 1,165 | 2,028 | |
| 1956 | R | 1,005 | 1,175 | 2,180 | |
| 1952 | R | 677 | 1,520 | 2,197 | |
| 1948 | R | 876 | 1,085 | 1,987 | |
| 1944 | R | 731 | 1,217 | 1,948 | |
| 1940 | R | 919 | 1,576 | 2,495 | |
| 1936 | D | 1,343 | 1,075 | 2,504 | |
| 1932 | D | 1,773 | 836 | 2,673 | |
| 1928 | R | 875 | 1,517 | 2,420 | |
| 1924 | R | 228 | 1,054 | 1,993 | |
| 1920 | R | 357 | 1,038 | 1,820 | |
| 1916 | D | 612 | 589 | 1,264 | |
| 1912 | D | 436 | 0 | 1,147 | |
| 1908 | R | 403 | 582 | 1,092 | |
| 1904 | R | 139 | 586 | 851 | |
| 1900 | R | 357 | 374 | 770 | |
| 1896 | D | 336 | 274 | 616 | |
| 1892 | R | 45 | 327 | 695 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Jerauld County's roughly 2,300 residents are spread across the Missouri Coteau, and its presidential votes have leaned heavily Republican for decades — the 2024 margin of R+43.2 is consistent with broader rural South Dakota trends.
The Republican margin in Jerauld County reached its widest at fifty-three points in 1904. The margin in 2024 was forty-three points, in line with the county's deep historical pattern.
Jerauld County's loyalty is rooted in its place. Median household income of $73,750, a 91% non-Hispanic-white share, and a population of 1,772 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 Brown County.
