| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,170 | 4,776 | 5,998 | |
| 2020 | R | 1,208 | 4,465 | 5,772 | |
| 2016 | R | 1,119 | 4,127 | 5,429 | |
| 2012 | R | 1,740 | 3,490 | 5,344 | |
| 2008 | R | 2,347 | 3,428 | 5,856 | |
| 2004 | R | 2,147 | 3,563 | 5,760 | |
| 2000 | R | 2,092 | 3,106 | 5,303 | |
| 1996 | D | 2,277 | 2,124 | 5,225 | |
| 1992 | D | 2,063 | 1,974 | 5,319 | |
| 1988 | R | 2,064 | 2,714 | 4,790 | |
| 1984 | R | 1,668 | 3,261 | 4,929 | |
| 1980 | R | 2,007 | 3,061 | 5,225 | |
| 1976 | R | 2,535 | 2,665 | 5,243 | |
| 1972 | R | 1,691 | 3,707 | 5,398 | |
| 1968 | R | 1,891 | 2,903 | 5,417 | |
| 1964 | D | 3,289 | 2,610 | 5,899 | |
| 1960 | R | 2,804 | 3,454 | 6,258 | |
| 1956 | R | 2,844 | 3,443 | 6,287 | |
| 1952 | R | 2,835 | 3,670 | 6,510 | |
| 1948 | R | 2,792 | 2,889 | 5,693 | |
| 1944 | R | 2,743 | 3,527 | 6,276 | |
| 1940 | R | 3,205 | 3,930 | 7,151 | |
| 1936 | R | 3,458 | 3,468 | 6,937 | |
| 1932 | D | 3,600 | 2,607 | 6,241 | |
| 1928 | R | 2,285 | 3,910 | 6,203 | |
| 1924 | R | 2,938 | 3,563 | 6,648 | |
| 1920 | R | 3,103 | 3,910 | 7,088 | |
| 1916 | R | 1,988 | 2,079 | 4,119 | |
| 1912 | D | 1,883 | 1,697 | 3,879 | |
| 1908 | D | 2,073 | 2,038 | 4,180 | |
| 1904 | D | 1,986 | 1,979 | 4,089 | |
| 1900 | D | 2,000 | 1,866 | 3,998 | |
| 1896 | D | 2,272 | 1,920 | 4,254 | |
| 1892 | D | 1,916 | 1,665 | 3,818 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Montgomery County's 2024 presidential margin of R+60 reflects a broader shift in Missouri's small-town, agricultural counties, where Republican support has grown steadily over the past two decades as rural realignment accelerated statewide.
The Republican margin in Montgomery County reached its widest at sixty points in 2024. The margin in 2024 was sixty points, in line with the county's deep historical pattern.
Montgomery County's loyalty is rooted in its place. Median household income of $65,500, a 93% non-Hispanic-white share, and a population of 11,426 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 Caldwell County and Carter County.
