| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 4,442 | 20,988 | 25,730 | |
| 2020 | R | 4,651 | 20,798 | 25,777 | |
| 2016 | R | 3,980 | 18,658 | 24,019 | |
| 2012 | R | 5,831 | 17,169 | 23,619 | |
| 2008 | R | 6,738 | 16,414 | 23,559 | |
| 2004 | R | 5,903 | 17,016 | 23,034 | |
| 2000 | R | 5,564 | 13,770 | 19,892 | |
| 1996 | R | 6,652 | 10,169 | 19,632 | |
| 1992 | R | 4,960 | 10,455 | 20,306 | |
| 1988 | R | 4,756 | 13,562 | 18,479 | |
| 1984 | R | 4,102 | 14,766 | 19,000 | |
| 1980 | R | 5,022 | 11,537 | 17,657 | |
| 1976 | R | 5,840 | 9,772 | 15,965 | |
| 1972 | R | 4,617 | 11,900 | 17,047 | |
| 1968 | R | 5,550 | 9,368 | 16,447 | |
| 1964 | D | 8,632 | 7,954 | 16,586 | |
| 1960 | R | 6,282 | 11,183 | 17,465 | |
| 1956 | R | 4,438 | 11,453 | 15,891 | |
| 1952 | R | 5,149 | 10,599 | 15,748 | |
| 1948 | R | 5,670 | 6,818 | 12,522 | |
| 1944 | R | 4,888 | 8,980 | 13,868 | |
| 1940 | R | 5,704 | 8,953 | 14,657 | |
| 1936 | D | 7,835 | 5,526 | 14,305 | |
| 1932 | D | 8,036 | 5,039 | 13,210 | |
| 1928 | R | 4,954 | 7,794 | 12,798 | |
| 1924 | R | 3,952 | 5,507 | 10,618 | |
| 1920 | R | 4,792 | 6,752 | 11,752 | |
| 1916 | D | 4,124 | 2,763 | 7,175 | |
| 1912 | D | 3,726 | 1,401 | 6,676 | |
| 1908 | D | 4,622 | 3,001 | 7,784 | |
| 1904 | D | 3,619 | 3,049 | 6,831 | |
| 1900 | D | 4,812 | 2,895 | 7,786 | |
| 1896 | D | 4,939 | 2,900 | 7,891 | |
| 1892 | D | 3,774 | 2,113 | 6,273 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Auglaize County, anchored by Wapakoneta and sustained by agriculture and manufacturing, delivered a 64.6-point Republican presidential margin in 2024—among the widest gaps of any Ohio county and a figure that has grown steadily over the past three election cycles.
The Republican margin in Auglaize County reached its widest at sixty-four points in 2024. The margin in 2024 was sixty-four points, in line with the county's deep historical pattern.
Auglaize County's loyalty is rooted in its place. Median household income of $78,660, a 95% non-Hispanic-white share, and a population of 46,125 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 Anderson County and Oconee County.