2024 results by precinct
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,747 | 10,376 | 13,324 | |
| 2020 | R | 2,908 | 10,877 | 14,043 | |
| 2016 | R | 2,504 | 9,750 | 13,102 | |
| 2012 | R | 3,413 | 9,120 | 12,811 | |
| 2008 | R | 4,643 | 8,695 | 13,596 | |
| 2004 | R | 3,832 | 9,914 | 13,835 | |
| 2000 | R | 4,397 | 8,685 | 13,424 | |
| 1996 | R | 4,559 | 6,564 | 12,737 | |
| 1992 | R | 4,440 | 6,948 | 14,530 | |
| 1988 | R | 4,221 | 9,596 | 13,886 | |
| 1984 | R | 3,300 | 11,327 | 14,685 | |
| 1980 | R | 3,362 | 11,247 | 15,327 | |
| 1976 | R | 5,167 | 10,129 | 15,481 | |
| 1972 | R | 3,723 | 11,995 | 15,784 | |
| 1968 | R | 3,897 | 10,885 | 16,033 | |
| 1964 | R | 7,029 | 9,423 | 16,452 | |
| 1960 | R | 5,821 | 11,376 | 17,213 | |
| 1956 | R | 4,487 | 12,104 | 16,609 | |
| 1952 | R | 4,634 | 12,456 | 17,107 | |
| 1948 | R | 4,823 | 9,051 | 14,001 | |
| 1944 | R | 5,168 | 10,389 | 15,648 | |
| 1940 | R | 7,036 | 11,047 | 18,191 | |
| 1936 | D | 8,654 | 7,908 | 17,173 | |
| 1932 | D | 9,434 | 6,303 | 15,898 | |
| 1928 | R | 5,421 | 8,453 | 13,923 | |
| 1924 | R | 2,303 | 7,498 | 11,702 | |
| 1920 | R | 2,429 | 9,186 | 11,809 | |
| 1916 | R | 4,977 | 8,503 | 13,909 | |
| 1912 | D | 2,474 | 1,866 | 7,516 | |
| 1908 | R | 2,966 | 4,855 | 8,237 | |
| 1904 | R | 2,376 | 5,067 | 8,115 | |
| 1900 | R | 3,736 | 5,243 | 9,297 | |
| 1896 | R | 3,658 | 5,325 | 9,179 | |
| 1892 | R | 3,848 | 3,936 | 8,209 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 44.4 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$66,255
Iroquois County ranks near the middle of US counties.
Iroquois County$66,255
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
12.5%
Children face moderate poverty.
Children under 1818.0%
Working age (18–64)100.0%
Seniors (65+)18.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 57.0% of residents not counted as adherents by any reporting body.
Iroquois County, a flat agricultural expanse in east-central Illinois, delivered a 57-point Republican presidential margin in 2024 — among the widest gaps in a state whose statewide results lean heavily the other direction.
The Republican margin in Iroquois County reached its widest at fifty-seven points in 2024. The margin in 2024 was fifty-seven points, in line with the county's deep historical pattern.
Iroquois County's loyalty is rooted in its place. Median household income of $66,255, a 89% non-Hispanic-white share, and a population of 26,449 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 Ford County and Whitley County.
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