| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 30,016 | 36,877 | 67,586 | |
| 2020 | R | 30,617 | 35,757 | 67,597 | |
| 2016 | R | 27,318 | 32,498 | 65,551 | |
| 2012 | D | 32,802 | 29,704 | 64,342 | |
| 2008 | D | 34,285 | 29,648 | 65,164 | |
| 2004 | R | 29,401 | 33,592 | 63,346 | |
| 2000 | R | 22,687 | 27,504 | 52,194 | |
| 1996 | D | 23,183 | 20,518 | 49,343 | |
| 1992 | D | 20,754 | 20,579 | 53,203 | |
| 1988 | R | 18,579 | 26,013 | 44,933 | |
| 1984 | R | 15,907 | 29,750 | 45,954 | |
| 1980 | R | 14,139 | 23,315 | 42,213 | |
| 1976 | R | 16,926 | 19,331 | 37,131 | |
| 1972 | R | 13,494 | 21,080 | 35,625 | |
| 1968 | R | 10,867 | 16,111 | 29,939 | |
| 1964 | D | 16,304 | 12,142 | 28,446 | |
| 1960 | R | 10,581 | 18,952 | 29,533 | |
| 1956 | R | 8,553 | 16,844 | 25,397 | |
| 1952 | R | 9,168 | 17,269 | 26,437 | |
| 1948 | R | 9,725 | 13,197 | 23,041 | |
| 1944 | R | 8,025 | 16,016 | 24,041 | |
| 1940 | R | 9,711 | 16,998 | 26,709 | |
| 1936 | R | 11,255 | 11,716 | 24,778 | |
| 1932 | D | 11,332 | 10,566 | 22,318 | |
| 1928 | R | 4,612 | 15,409 | 20,126 | |
| 1924 | R | 3,291 | 10,665 | 16,325 | |
| 1920 | R | 4,965 | 12,042 | 17,272 | |
| 1916 | D | 5,796 | 5,034 | 11,108 | |
| 1912 | D | 4,356 | 2,020 | 10,024 | |
| 1908 | R | 5,625 | 5,904 | 11,910 | |
| 1904 | R | 3,630 | 7,025 | 11,422 | |
| 1900 | R | 5,752 | 7,153 | 13,176 | |
| 1896 | R | 6,653 | 7,290 | 14,144 | |
| 1892 | R | 4,748 | 5,314 | 10,822 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Wood County is home to Bowling Green State University, which keeps Democratic margins competitive in the city while surrounding townships have shifted steadily toward Republicans, producing a modest but consistent GOP edge countywide.
The Democratic margin in Wood County has rarely exceeded twenty-three points in modern history; the Republican margin has rarely exceeded fifty-four points. 2024 delivered the county to the Republican candidate by ten points.
Wood County's demographics resemble the country more than they resemble most counties. A 87% non-Hispanic-white share, a 12% poverty rate, and a median household income of $74,216 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Essex County and Porter County.
