| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,052 | 2,068 | 3,189 | |
| 2020 | R | 1,179 | 1,951 | 3,206 | |
| 2016 | R | 1,043 | 1,731 | 2,933 | |
| 2012 | R | 1,429 | 1,535 | 3,033 | |
| 2008 | D | 1,663 | 1,508 | 3,254 | |
| 2004 | R | 1,609 | 1,790 | 3,451 | |
| 2000 | D | 1,361 | 1,318 | 2,735 | |
| 1996 | D | 1,443 | 1,024 | 2,767 | |
| 1992 | D | 1,473 | 898 | 3,104 | |
| 1988 | D | 1,715 | 1,161 | 2,889 | |
| 1984 | R | 1,586 | 1,633 | 3,228 | |
| 1980 | R | 1,364 | 1,807 | 3,480 | |
| 1976 | D | 1,942 | 1,475 | 3,428 | |
| 1972 | D | 1,895 | 1,648 | 3,554 | |
| 1968 | R | 1,614 | 1,689 | 3,456 | |
| 1964 | D | 2,301 | 1,461 | 3,762 | |
| 1960 | R | 1,918 | 2,119 | 4,037 | |
| 1956 | R | 1,840 | 2,133 | 3,973 | |
| 1952 | R | 1,089 | 2,728 | 3,817 | |
| 1948 | R | 1,630 | 1,691 | 3,369 | |
| 1944 | R | 1,420 | 2,080 | 3,500 | |
| 1940 | R | 1,820 | 2,749 | 4,569 | |
| 1936 | D | 2,366 | 1,992 | 4,560 | |
| 1932 | D | 2,547 | 1,289 | 3,906 | |
| 1928 | R | 1,416 | 2,108 | 3,535 | |
| 1924 | R | 234 | 1,181 | 2,833 | |
| 1920 | R | 371 | 1,667 | 2,623 | |
| 1916 | D | 973 | 898 | 1,982 | |
| 1912 | D | 637 | 0 | 1,789 | |
| 1908 | R | 623 | 1,275 | 2,008 | |
| 1904 | R | 295 | 1,471 | 1,958 | |
| 1900 | R | 875 | 1,190 | 2,091 | |
| 1896 | D | 1,012 | 780 | 1,799 | |
| 1892 | R | 96 | 735 | 1,379 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Moody County sits in South Dakota's Coteau des Prairies, where a small, predominantly rural population has delivered Republican presidential margins exceeding 30 points in recent cycles, consistent with the broader eastern plains trend.
The Republican margin in Moody County reached its widest at sixty points in 1904. The margin in 2024 was thirty-two points, in line with the county's deep historical pattern.
Moody County's loyalty is rooted in its place. Median household income of $78,427, a 75% non-Hispanic-white share, and a population of 6,397 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 Braxton County.
