akashic
1876–2024
Washington County, Illinois
Washington County·Illinois

Washington County has voted Republican for as long as anyone can remember.

One of Illinois's most Republican-leaning counties by presidential margin

18762024·38 elections
Washington County, Illinois · Mrostrichman · Wikimedia Commons
Latest
R+57
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
13,627
2024 ACS
Most similar
Crawford County
PA · similarity 1.00
20 precincts · 7,562 votes cast
Trump · R+57
Margin
Turnout
Harris +50
Trump +50
Real precinct boundaries. Hover for vote totals.
YearWonMarginDemocraticRepublicanTotal
2024R
−57.2%
1,5645,8927,562
2020R
−56.5%
1,6416,1157,921
2016R
−55.4%
1,4485,5717,438
2012R
−31.5%
2,4504,7927,435
2008R
−14.3%
3,3424,4737,932
2004R
−25.7%
2,9865,0728,104
2000R
−24.0%
2,6384,3537,138
1996R
−8.6%
2,7443,3396,927
1992R
−0.2%
2,9863,0037,555
1988R
−20.9%
2,6894,1276,874
1984R
−36.8%
2,3635,1297,516
1980R
−41.2%
2,1585,3547,762
1976R
−16.1%
3,2224,4857,844
1972R
−37.9%
2,3275,1797,522
1968R
−35.7%
2,0934,7937,569
1964R
−2.3%
3,6703,8407,510
1960R
−24.0%
3,0935,0538,157
1956R
−30.5%
2,8205,2998,135
1952R
−32.5%
2,8245,5468,381
1948R
−24.7%
2,7374,5447,330
1944R
−33.0%
2,7235,4288,186
1940R
−24.1%
3,4795,7019,222
1936R
−4.7%
4,1194,5408,868
1932D
+20.4%
4,6963,0767,926
1928R
−12.1%
2,8483,6386,508
1924R
−28.3%
1,7173,4446,103
1920R
−53.5%
1,1024,5196,386
1916R
−24.4%
2,7944,6577,641
1912D
+8.3%
1,6541,3044,234
1908R
−12.0%
1,8302,3554,372
1904R
−21.0%
1,5042,3744,143
1900R
−5.9%
2,0812,3514,538
1896R
−8.4%
1,9792,3514,411
1892R
−2.1%
1,8681,9564,131
1888
No data
1884
No data
1880
No data
1876
No data
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
African American
1.2%
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.
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
Mainline Protestant
34.6%
Catholic & Orthodox
15.1%
Baptist
3.4%
Methodist
2.3%
Other Christian
1.8%
Pentecostal & Holiness
0.7%
Source · 2020 US Religion Census. Remaining 42.1% of residents not counted as adherents by any reporting body.

Washington County's 2024 presidential margin of R+57.2 places it among the state's most lopsided rural counties, reflecting a broader realignment of small downstate communities away from competitive voting patterns over the past two decades.

The Republican margin in Washington 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.

Washington County's loyalty is rooted in its place. Median household income of $78,224, a 95% non-Hispanic-white share, and a population of 13,627 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 Crawford County and Ozark County.