| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 680 | 2,687 | 3,425 | |
| 2020 | R | 820 | 2,782 | 3,659 | |
| 2016 | R | 729 | 2,398 | 3,254 | |
| 2012 | R | 1,074 | 2,095 | 3,256 | |
| 2008 | R | 1,310 | 2,035 | 3,395 | |
| 2004 | R | 1,381 | 2,146 | 3,544 | |
| 2000 | R | 1,172 | 1,996 | 3,221 | |
| 1996 | D | 1,591 | 1,431 | 3,308 | |
| 1992 | D | 1,626 | 1,589 | 3,583 | |
| 1988 | R | 1,595 | 1,901 | 3,503 | |
| 1984 | R | 1,464 | 2,047 | 3,518 | |
| 1980 | D | 1,724 | 1,677 | 3,504 | |
| 1976 | D | 2,104 | 1,554 | 3,658 | |
| 1972 | R | 1,248 | 2,207 | 3,455 | |
| 1968 | R | 1,643 | 1,687 | 3,628 | |
| 1964 | D | 2,498 | 1,296 | 3,794 | |
| 1960 | D | 2,057 | 1,930 | 3,987 | |
| 1956 | D | 1,999 | 1,959 | 3,958 | |
| 1952 | D | 1,991 | 1,859 | 3,850 | |
| 1948 | D | 1,944 | 1,592 | 3,543 | |
| 1944 | D | 2,177 | 1,838 | 4,015 | |
| 1940 | D | 2,710 | 1,977 | 4,687 | |
| 1936 | D | 2,637 | 1,800 | 4,450 | |
| 1932 | D | 2,530 | 1,502 | 4,047 | |
| 1928 | D | 1,921 | 1,710 | 3,631 | |
| 1924 | D | 2,037 | 1,462 | 3,508 | |
| 1920 | D | 1,814 | 1,581 | 3,399 | |
| 1916 | D | 1,276 | 888 | 2,173 | |
| 1912 | D | 1,162 | 475 | 2,088 | |
| 1908 | D | 1,193 | 898 | 2,094 | |
| 1904 | D | 1,169 | 926 | 2,112 | |
| 1900 | R | 929 | 1,154 | 2,092 | |
| 1896 | D | 1,117 | 784 | 1,925 | |
| 1892 | D | 1,075 | 717 | 1,804 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
With roughly 8,200 residents spread across the Allegheny Highlands, Pendleton County recorded an R+58.6 margin in 2024, placing it among the most heavily one-sided counties in a state that has shifted sharply over the past two decades.
The Republican margin in Pendleton County reached its widest at fifty-nine points in 2024. The margin in 2024 was fifty-nine points, in line with the county's deep historical pattern.
Pendleton County's loyalty is rooted in its place. Median household income of $64,931, a 94% non-Hispanic-white share, and a population of 6,043 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 Sibley County and Ohio County.
