| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 5,980 | 9,827 | 16,144 | |
| 2020 | R | 6,503 | 9,867 | 16,724 | |
| 2016 | R | 6,133 | 8,492 | 15,797 | |
| 2012 | D | 8,328 | 6,632 | 15,411 | |
| 2008 | D | 9,732 | 6,251 | 16,323 | |
| 2004 | D | 9,080 | 7,818 | 17,035 | |
| 2000 | D | 8,940 | 6,936 | 16,277 | |
| 1996 | D | 8,857 | 5,155 | 15,706 | |
| 1992 | D | 9,725 | 5,062 | 17,701 | |
| 1988 | D | 9,046 | 6,999 | 16,108 | |
| 1984 | R | 9,131 | 9,147 | 18,377 | |
| 1980 | R | 7,481 | 10,316 | 18,957 | |
| 1976 | R | 9,314 | 9,588 | 19,090 | |
| 1972 | R | 7,529 | 12,328 | 19,949 | |
| 1968 | D | 9,622 | 9,582 | 20,509 | |
| 1964 | D | 13,030 | 7,785 | 20,815 | |
| 1960 | R | 10,194 | 11,999 | 22,251 | |
| 1956 | R | 8,702 | 12,375 | 21,125 | |
| 1952 | R | 8,414 | 13,302 | 21,760 | |
| 1948 | R | 8,226 | 9,504 | 17,933 | |
| 1944 | R | 8,946 | 11,117 | 20,229 | |
| 1940 | R | 12,198 | 12,816 | 25,228 | |
| 1936 | D | 12,864 | 10,130 | 23,422 | |
| 1932 | D | 12,144 | 7,579 | 20,611 | |
| 1928 | R | 6,591 | 10,600 | 17,680 | |
| 1924 | R | 5,011 | 8,664 | 17,921 | |
| 1920 | R | 5,293 | 9,523 | 16,072 | |
| 1916 | R | 8,686 | 9,735 | 19,997 | |
| 1912 | D | 3,902 | 2,263 | 11,130 | |
| 1908 | R | 4,906 | 6,077 | 12,025 | |
| 1904 | R | 3,791 | 6,373 | 11,246 | |
| 1900 | R | 5,762 | 6,130 | 12,221 | |
| 1896 | R | 5,979 | 6,195 | 12,303 | |
| 1892 | D | 5,253 | 4,948 | 10,822 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Fulton County sits along the Illinois River in the west-central part of the state and has moved steadily toward Republican presidential margins over the past decade, reflecting a broader rural realignment across the region.
The Democratic margin in Fulton County has rarely exceeded twenty-six points in modern history; the Republican margin has rarely exceeded twenty-six points. 2024 delivered the county to the Republican candidate by twenty-four points.
Fulton County's demographics resemble the country more than they resemble most counties. A 92% non-Hispanic-white share, a 13% poverty rate, and a median household income of $60,599 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Floyd County and Itasca County.
