| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 756 | 5,365 | 6,161 | |
| 2020 | R | 750 | 5,167 | 5,983 | |
| 2016 | R | 705 | 4,827 | 5,676 | |
| 2012 | R | 1,213 | 4,095 | 5,456 | |
| 2008 | R | 1,690 | 3,972 | 5,784 | |
| 2004 | R | 1,754 | 4,102 | 5,895 | |
| 2000 | R | 1,692 | 3,487 | 5,294 | |
| 1996 | R | 2,044 | 2,420 | 5,047 | |
| 1992 | R | 2,150 | 2,289 | 5,363 | |
| 1988 | R | 1,883 | 2,710 | 4,598 | |
| 1984 | R | 1,923 | 2,778 | 4,701 | |
| 1980 | R | 2,160 | 2,863 | 5,105 | |
| 1976 | D | 2,740 | 2,113 | 4,862 | |
| 1972 | R | 1,818 | 3,069 | 4,887 | |
| 1968 | R | 1,693 | 2,283 | 4,559 | |
| 1964 | D | 2,792 | 2,125 | 4,917 | |
| 1960 | R | 1,935 | 2,886 | 4,821 | |
| 1956 | R | 2,185 | 2,845 | 5,030 | |
| 1952 | R | 2,182 | 3,060 | 5,245 | |
| 1948 | R | 2,075 | 2,187 | 4,267 | |
| 1944 | R | 1,841 | 2,850 | 4,694 | |
| 1940 | R | 2,511 | 3,415 | 5,934 | |
| 1936 | R | 2,816 | 2,988 | 5,869 | |
| 1932 | D | 2,994 | 2,411 | 5,444 | |
| 1928 | R | 1,824 | 3,014 | 4,846 | |
| 1924 | R | 2,075 | 2,204 | 4,390 | |
| 1920 | R | 2,019 | 2,869 | 4,949 | |
| 1916 | R | 1,538 | 1,624 | 3,245 | |
| 1912 | D | 1,512 | 1,100 | 3,090 | |
| 1908 | R | 1,517 | 1,593 | 3,167 | |
| 1904 | R | 1,355 | 1,587 | 2,980 | |
| 1900 | D | 1,533 | 1,515 | 3,092 | |
| 1896 | D | 1,485 | 1,272 | 2,762 | |
| 1892 | D | 1,338 | 1,145 | 2,534 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
This rural Ozark-fringe county of roughly 12,000 delivered an R+74.8 margin in 2024, placing it among the most one-sided presidential results in the state and reflecting the deep rural realignment that has reshaped Missouri's electoral map over the past decade.
The Republican margin in Bollinger County reached its widest at seventy-five points in 2024. The margin in 2024 was seventy-five points, in line with the county's deep historical pattern.
Bollinger County's loyalty is rooted in its place. Median household income of $63,814, a 95% non-Hispanic-white share, and a population of 10,559 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 Burke County and Holt County.
