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 | 1,913 | 4,119 | 6,127 | |
| 2020 | R | 2,005 | 4,197 | 6,345 | |
| 2016 | R | 1,789 | 3,785 | 5,984 | |
| 2012 | R | 2,455 | 3,290 | 5,869 | |
| 2008 | R | 3,081 | 3,145 | 6,333 | |
| 2004 | R | 2,806 | 3,734 | 6,584 | |
| 2000 | R | 2,570 | 3,145 | 5,907 | |
| 1996 | D | 2,640 | 2,453 | 5,714 | |
| 1992 | D | 2,819 | 2,491 | 6,496 | |
| 1988 | R | 2,742 | 3,588 | 6,367 | |
| 1984 | R | 2,386 | 4,060 | 6,493 | |
| 1980 | R | 1,903 | 4,349 | 6,711 | |
| 1976 | R | 2,570 | 4,017 | 6,662 | |
| 1972 | R | 2,141 | 4,452 | 6,602 | |
| 1968 | R | 2,455 | 3,897 | 6,677 | |
| 1964 | D | 3,561 | 3,209 | 6,770 | |
| 1960 | R | 2,981 | 4,150 | 7,138 | |
| 1956 | R | 2,245 | 4,764 | 7,014 | |
| 1952 | R | 2,343 | 4,850 | 7,201 | |
| 1948 | R | 2,514 | 3,785 | 6,318 | |
| 1944 | R | 2,596 | 4,195 | 6,801 | |
| 1940 | R | 3,343 | 4,527 | 7,910 | |
| 1936 | D | 4,149 | 3,544 | 7,760 | |
| 1932 | D | 4,133 | 3,166 | 7,345 | |
| 1928 | R | 2,828 | 4,029 | 6,865 | |
| 1924 | R | 1,836 | 3,776 | 6,465 | |
| 1920 | R | 1,568 | 3,734 | 5,523 | |
| 1916 | R | 2,593 | 3,579 | 6,403 | |
| 1912 | D | 1,685 | 790 | 3,768 | |
| 1908 | R | 1,714 | 1,893 | 3,776 | |
| 1904 | R | 1,545 | 2,190 | 3,913 | |
| 1900 | R | 1,908 | 2,210 | 4,187 | |
| 1896 | R | 1,888 | 2,216 | 4,161 | |
| 1892 | D | 1,834 | 1,590 | 3,534 | |
| 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: 46.1 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
$71,585
Marshall County ranks near the middle of US counties.
Marshall County$71,585
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.4%
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 65.8% of residents not counted as adherents by any reporting body.
Marshall County sits in the Illinois River valley with a small, aging population that has shifted decisively toward Republican presidential candidates since 2000, recording a 36-point margin in 2024.
The Republican margin in Marshall County reached its widest at thirty-nine points in 1920. The margin in 2024 was thirty-six points, in line with the county's deep historical pattern.
Marshall County's loyalty is rooted in its place. Median household income of $71,585, a 93% non-Hispanic-white share, and a population of 11,647 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 Warren County and Spencer County.
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