| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,414 | 3,716 | 5,197 | |
| 2020 | R | 1,342 | 3,466 | 4,874 | |
| 2016 | R | 1,044 | 2,843 | 4,092 | |
| 2012 | R | 1,657 | 2,308 | 4,053 | |
| 2008 | R | 1,887 | 2,320 | 4,328 | |
| 2004 | R | 1,792 | 2,570 | 4,409 | |
| 2000 | R | 1,677 | 2,207 | 3,992 | |
| 1996 | D | 1,652 | 1,545 | 3,725 | |
| 1992 | R | 1,471 | 1,583 | 3,831 | |
| 1988 | R | 1,170 | 1,972 | 3,167 | |
| 1984 | R | 951 | 2,239 | 3,209 | |
| 1980 | R | 1,325 | 1,915 | 3,466 | |
| 1976 | R | 1,108 | 1,541 | 2,677 | |
| 1972 | R | 678 | 1,561 | 2,309 | |
| 1968 | R | 563 | 1,124 | 1,844 | |
| 1964 | D | 930 | 784 | 1,721 | |
| 1960 | R | 458 | 1,174 | 1,634 | |
| 1956 | R | 294 | 1,044 | 1,338 | |
| 1952 | R | 246 | 1,047 | 1,297 | |
| 1948 | R | 285 | 785 | 1,089 | |
| 1944 | R | 332 | 615 | 950 | |
| 1940 | R | 409 | 661 | 1,073 | |
| 1936 | D | 492 | 456 | 956 | |
| 1932 | R | 349 | 410 | 775 | |
| 1928 | R | 73 | 476 | 551 | |
| 1924 | R | 52 | 389 | 473 | |
| 1920 | R | 75 | 439 | 524 | |
| 1916 | R | 175 | 245 | 430 | |
| 1912 | R | 66 | 110 | 339 | |
| 1908 | R | 112 | 331 | 455 | |
| 1904 | R | 44 | 323 | 375 | |
| 1900 | R | 60 | 245 | 307 | |
| 1896 | R | 63 | 308 | 381 | |
| 1892 | R | 180 | 273 | 462 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Oscoda County's small, rural population and heavy reliance on forestry and agriculture have long correlated with lopsided Republican margins — the 2024 result continued a decades-long pattern of single-party dominance in statewide contests.
The Democratic margin in Oscoda County peaked at eight points in 1964. By 2000 the county had flipped, voting Republican for the first time in many years. The 2024 margin was forty-four points, the most Republican-leaning result in the county's modern history.
The economic context is the key. Oscoda County's median household income of $49,515 sits well below state and national norms, and 17% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country. The county's voting pattern over the last decade is most similar to that of Osceola County and Lapeer County.