Iroquois County, Illinois: Deep Red Country

Illinois · Presidential Elections 1892–2024

R+57.3

2024 Margin

R+0.5%

2020→2024 Swing

R since 1940

Voting Streak

27K

Population

Iroquois County, Illinois voted R+57.3 for Donald Trump in 2024, with Trump receiving 10,376 votes (77.87%). This represented a R+0.5% swing toward Republicans compared to 2020. The county has voted Republican in every presidential election since 1940.

Quick Stats

2024 ResultR+57.3

2020→2024 SwingR+0.5%

Voting StreakR since 1940

Elections on Record34

Demographics

Population27,077

Median Age

44.5(US: 38.4)

College (BA+)

16.7%(US: 34.6%)

Median Income

$62,866(US: $78k)

White (non-Hisp)

87.8%(US: 57.5%)

Hispanic

8.0%(US: 18.6%)

Homeownership

78.5%(US: 64.2%)

Poverty Rate

13.4%(US: 12.4%)

Veterans

7.0%(US: 6.4%)

Non-English (CVAP)

3.9%(US: 17.1%)

Community Profile

Religious Composition

Source: Religion Census 2020

Evangelical

23.2%(+6.7 vs US)

Mainline Protestant

12.5%(+7.3 vs US)

Catholic

6.9%(-11.8 vs US)

Age Distribution

Median:44.5 yrs(US: 38.5)

Under 18

21.7%

18-29

7.7%↓

30-44

15.2%↓

45-64

33.3%↑

65+

22.2%↑

National average

Employment by Industry

Source: Census ACS

Retail Trade

12.4%

ManufacturingAbove avg

12.1%

Construction

8.0%

AgricultureVery high

7.8%

Professional ServicesVery low

5.2%

HealthcareVery low

5.1%

Political relevance:

Agriculture: Farm bill, rural RProfessional Services: College-educated baseHealthcare: ACA debates

+ 1 more industries

Presidential Elections

Presidential Results

Year	Democrat	Republican	Margin	Swing
2024	20.6%(2,747)	77.9%(10,376)	R+57.3	R+0.5
2020	20.7%(2,908)	77.5%(10,877)	R+56.8	R+1.5
2016	19.1%(2,504)	74.4%(9,750)	R+55.3	R+10.8
2012	26.6%(3,413)	71.2%(9,120)	R+44.5	R+14.7
2008	34.1%(4,643)	64.0%(8,695)	R+29.8	D+14.2
2004	27.7%(3,832)	71.7%(9,914)	R+44.0	R+12.0
2000	32.8%(4,397)	64.7%(8,685)	R+31.9	R+16.2
1996	35.8%(4,559)	51.5%(6,564)	R+15.7	D+1.5
1992	30.6%(4,440)	47.8%(6,948)	R+17.3	D+21.4
1988	30.4%(4,221)	69.1%(9,596)	R+38.7	D+15.9

Source: Official state election returns via MIT Election Data + Science Lab

Senate Elections

Senate Results

Year	Democrat	Republican	Margin	Swing
2022	22.7%(2,351)	77.3%(8,018)	R+54.6	R+0.8
2020	23.1%(3,075)	76.9%(10,249)	R+53.8	D+0.8
2016	22.7%(2,755)	77.3%(9,379)	R+54.6	R+9.6
2014	27.5%(2,481)	72.5%(6,548)	R+45.0	D+16.1
2010	19.4%(1,871)	80.6%(7,763)	R+61.2	R+62.7
2008	50.8%(6,424)	49.2%(6,229)	D+1.5	D+5.9
2004	47.8%(6,177)	52.2%(6,736)	R+4.3	D+10.3
2002	42.7%(4,372)	57.3%(5,868)	R+14.6	D+29.7
1998	27.9%(2,931)	72.1%(7,590)	R+44.3	R+16.8
1996	36.3%(4,403)	63.8%(7,743)	R+27.5	R+2.9

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

Year	Democrat	Republican	Margin	Swing
2022	18.9%(1,948)	81.0%(8,334)	R+62.1	R+2.2
2018	20.0%(1,858)	80.0%(7,419)	R+59.9	D+2.0
2014	19.0%(1,723)	81.0%(7,329)	R+61.9	R+2.9
2010	20.5%(1,997)	79.5%(7,741)	R+59.0	R+15.2
2006	28.1%(2,192)	71.9%(5,613)	R+43.8	R+12.4
2002	34.3%(3,516)	65.7%(6,741)	R+31.4	R+6.2
1998	37.4%(3,976)	62.6%(6,660)	R+25.2	D+40.3
1994	17.2%(1,905)	82.8%(9,160)	R+65.6	R+37.5
1990	36.0%(4,150)	64.0%(7,392)	R+28.1	D+58.7
1986	6.6%(521)	93.4%(7,367)	R+86.8	R+40.2

Source: Official state election returns via MIT Election Data + Science Lab

Primary Election History

Primary Results

Year	Party	Winner	Runner-up	Nominee?
2024	GOP	Donald Trump(84.4%)	Nikki Haley(10.2%)	✓
2020	Dem	Joe Biden(60.3%)	Bernie Sanders(32.8%)	✓
2016	Dem	Bernie Sanders(60.7%)	Hillary Clinton(37.5%)	✗
2016	GOP	Donald Trump(42.6%)	Ted Cruz(33.3%)	✓
2008	Dem	Barack Obama(53.6%)	Hillary Clinton(41.0%)	✓