| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 769 | 1,583 | 2,381 | |
| 2020 | R | 891 | 1,699 | 2,631 | |
| 2016 | R | 962 | 1,675 | 2,735 | |
| 2012 | R | 1,389 | 1,564 | 3,012 | |
| 2008 | D | 1,638 | 1,593 | 3,270 | |
| 2004 | R | 1,372 | 1,720 | 3,108 | |
| 2000 | D | 1,518 | 1,430 | 3,016 | |
| 1996 | D | 1,524 | 1,036 | 2,814 | |
| 1992 | D | 1,987 | 1,169 | 3,549 | |
| 1988 | D | 1,793 | 1,666 | 3,478 | |
| 1984 | R | 1,724 | 1,923 | 3,664 | |
| 1980 | R | 1,955 | 2,083 | 4,099 | |
| 1976 | D | 2,489 | 1,836 | 4,345 | |
| 1972 | R | 1,683 | 2,485 | 4,193 | |
| 1968 | D | 2,076 | 1,741 | 4,632 | |
| 1964 | D | 3,332 | 1,716 | 5,048 | |
| 1960 | R | 2,322 | 2,621 | 4,961 | |
| 1956 | R | 2,246 | 2,966 | 5,227 | |
| 1952 | R | 2,397 | 3,447 | 5,854 | |
| 1948 | R | 2,344 | 2,658 | 5,033 | |
| 1944 | R | 2,311 | 3,248 | 5,598 | |
| 1940 | R | 3,456 | 4,589 | 8,085 | |
| 1936 | D | 3,804 | 3,774 | 7,645 | |
| 1932 | D | 3,446 | 3,225 | 6,726 | |
| 1928 | R | 1,726 | 3,319 | 5,092 | |
| 1924 | R | 1,700 | 3,355 | 5,449 | |
| 1920 | R | 2,276 | 4,002 | 6,368 | |
| 1916 | R | 2,159 | 3,863 | 6,158 | |
| 1912 | R | 978 | 1,632 | 3,183 | |
| 1908 | R | 1,080 | 2,185 | 3,349 | |
| 1904 | R | 792 | 2,180 | 3,083 | |
| 1900 | R | 1,077 | 2,039 | 3,147 | |
| 1896 | R | 1,152 | 2,081 | 3,253 | |
| 1892 | R | 897 | 1,662 | 2,629 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Pulaski County sits at Illinois's southern tip along the Mississippi, with a population under 7,500 that has declined for decades. Despite a historically biracial rural electorate, recent presidential margins have shifted decisively, reaching R+34 in 2024.
The Republican margin in Pulaski County reached its widest at forty-five points in 1904. The margin in 2024 was thirty-four points, in line with the county's deep historical pattern.
Pulaski County's loyalty is rooted in its place. Median household income of $42,463, a 62% non-Hispanic-white share, and a population of 5,015 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 Macon County and Henderson County.