akashic
1876–2024
Washington·Illinois

Washington delivered R+18.4 in 2024.

20082024·5 elections
IL
Washington
TrumpR+18.4
How it voted
Share of the 2024 vote
Donald TrumpRepublican57.7%5,143
Kamala HarrisDemocratic39.3%3,500
OtherAll other candidates3.0%269
D+60
R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: −18.4% in 2024.−18.4%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−15.1%
2012−28.9%
2016−24.2%
2020−18.5%
2024−18.4%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
39.3%Harris3,500
57.7%Trump5,143
3.0%
−18.4%
8,912
R
39.2%Biden3,444
57.6%Trump5,066
3.2%incl. Jorgensen
−18.5%
8,790
R
33.0%Clinton2,605
57.2%Trump4,510
9.8%incl. Johnson
−24.2%
7,885
R
35.5%Obama2,532
64.5%Romney4,593
0.0%
−28.9%
7,125
R
41.5%Obama3,030
56.6%McCain4,135
1.9%
−15.1%
7,304

Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorWashingtonCityIllinoisStateUnited StatesNation
Race & Ethnicity
White95.3%61.0%61.0%
Black0.4%13.6%12.2%
Asian1.2%6.0%6.0%
Two or more races2.5%10.9%12.6%
Other race0.6%8.6%8.2%
Hispanic or Latino2.7%18.8%19.3%
Income & Age
Median household income$95,179$83,390$84,427
Poverty rate5.1%11.8%12.5%
Median age38.239.139.1
Age 18–247.3%9.1%9.2%
Age 65 and older19.9%16.9%17.2%
Education & Language
Bachelor's degree or higher (25+)28.4%37.9%35.6%
Speaks a non-English language at home2.4%24.1%22.3%
Spanish1.1%14.0%13.6%
Ancestry
Largest ancestryGerman 28.0%German 16.1%German 12.5%
2nd-largest ancestryEnglish 13.9%Mexican 14.4%Mexican 11.3%
3rd-largest ancestryIrish 13.0%Irish 10.6%English 9.5%
Religion
Catholic8.2%County context24.2%18.6%
Evangelical Protestant22.1%County context11.7%16.5%
Unaffiliated or unclaimed57.3%County context49.2%51.5%
Mainline Protestant10.0%County context5.3%5.2%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the origins and ancestries reported within it.
Reported ancestry · ACS B04006
German
28.0%
English
13.9%
Irish
13.0%
American
6.3%
Italian
3.6%
French
2.8%
Polish
2.0%
Scottish
1.8%
Specific origin · ACS B03001
Mexican
1.9%
Puerto Rican
0.3%
The ACS does not publish subgroup detail for people reporting two or more races.
Detailed group · ACS B02015
Chinese
0.4%
Filipino
0.2%
Korean
0.2%
Asian Indian
0.1%
American Indian, Alaska Native, Native Hawaiian, Pacific Islander, and other single-race responses combined.
Below 1% of the population here; subgroup estimates are within the survey's margin of error.
Source · American Community Survey 5-year estimates, 2024 release. Race shares: B02001 · B03003. Subgroup detail: B03001 (Hispanic or Latino specific origin), B02015 (Asian groups), B02020 · B02016 (American Indian/Alaska Native tribes and Pacific Islander groups), B04006 (reported ancestry). Hispanic/Latino is an ethnicity that overlaps the race categories, so group shares can total more than 100%. All subgroup rows are shares of total population; ancestry is self-reported and multiple-response, so rows do not sum to the parent group's share.
2024 ACS
Language at home
Population aged 5 and older
97.6%
speak English only
Spanish1.1%
German or other West Germanic0.2%
Other Indo-European0.2%
Chinese (incl. Mandarin & Cantonese)0.2%
Tagalog (incl. Filipino)0.2%
French (incl. Cajun & Haitian)0.1%
Russian, Polish, or other Slavic0.1%
Korean0.1%
Other Asian & Pacific Island0.1%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Evangelical Protestant
22.1%
Mainline Protestant
10.0%
Catholic
8.2%
Latter-day Saints
0.8%
Black Protestant
0.8%
Other Christian
0.7%
Hindu
0.1%
Unaffiliated or not counted57.3%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Washington sits in the Upper Midwest. In 2024 it voted Republican.

Across the recorded series it reached a Republican high of 28.9 points in 2012. The 2024 margin was 18.4 points.

A population of 15,919, a 95% non-Hispanic-white share, and a median household income of $95,179 describe the city.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Washington, Illinois. Akashic. https://akashic.app/city/1779033/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Washington, Illinois vote in 2024?
In 2024, Washington, Illinois voted Republican by 18.4 points (R+18.4), carried by the Republican candidate. Out of 8,912 votes cast, 3,500 went Democratic and 5,143 went Republican.
What is Washington, Illinois's political typology?
Akashic places Washington, Illinois in the "" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 5 elections in the dataset, the city has voted Democratic 0 times, Republican 5 times, and other 0 times.
How many people live in Washington, Illinois?
Washington, Illinois has a population of 15,919 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Washington, Illinois?
Median household income in Washington, Illinois is $95,179 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Washington, Illinois?
Akashic tracks 5 presidential elections in Washington, Illinois from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.