| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 996 | 6,242 | 7,289 | |
| 2020 | R | 1,016 | 5,898 | 7,000 | |
| 2016 | R | 984 | 5,486 | 6,666 | |
| 2012 | R | 1,710 | 4,649 | 6,557 | |
| 2008 | R | 2,140 | 4,405 | 6,712 | |
| 2004 | R | 1,741 | 4,498 | 6,327 | |
| 2000 | R | 1,546 | 3,599 | 5,281 | |
| 1996 | R | 1,744 | 2,601 | 5,184 | |
| 1992 | R | 2,126 | 2,569 | 5,792 | |
| 1988 | R | 1,735 | 3,225 | 4,973 | |
| 1984 | R | 1,536 | 3,662 | 5,198 | |
| 1980 | R | 1,677 | 3,440 | 5,252 | |
| 1976 | R | 1,981 | 2,652 | 4,667 | |
| 1972 | R | 1,209 | 3,773 | 4,982 | |
| 1968 | R | 978 | 2,836 | 4,226 | |
| 1964 | R | 1,593 | 2,280 | 3,873 | |
| 1960 | R | 1,014 | 3,611 | 4,625 | |
| 1956 | R | 1,133 | 2,910 | 4,043 | |
| 1952 | R | 909 | 4,051 | 4,971 | |
| 1948 | R | 1,163 | 2,734 | 3,914 | |
| 1944 | R | 746 | 3,570 | 4,330 | |
| 1940 | R | 1,350 | 4,870 | 6,252 | |
| 1936 | R | 2,118 | 4,031 | 6,187 | |
| 1932 | R | 1,922 | 2,362 | 4,415 | |
| 1928 | R | 681 | 3,758 | 4,474 | |
| 1924 | R | 909 | 2,617 | 3,784 | |
| 1920 | R | 577 | 3,327 | 4,053 | |
| 1916 | R | 737 | 1,730 | 2,651 | |
| 1912 | R | 566 | 855 | 2,798 | |
| 1908 | R | 699 | 1,922 | 2,964 | |
| 1904 | R | 437 | 1,830 | 2,545 | |
| 1900 | R | 858 | 1,705 | 2,954 | |
| 1896 | D | 1,700 | 1,598 | 3,307 | |
| 1892 | R | 328 | 1,309 | 2,459 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Douglas County's R+72 margin in 2024 places it among the most lopsided presidential results in the state, reflecting the Ozarks region's deep rural consolidation around Republican candidates over the past two decades.
The Republican margin in Douglas County reached its widest at seventy-two points in 2024. The margin in 2024 was seventy-two points, in line with the county's deep historical pattern.
Douglas County's loyalty is rooted in its place. Median household income of $45,985, a 92% non-Hispanic-white share, and a population of 11,965 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 Laclede County and Wright County.
