akashic
1876–2024
Congressional District 16·Illinois

Illinois 16th Congressional District delivered R+23 in 2024.

A sprawling rural district anchored by Rockford's outer ring and farm country

2008 — 2024·5 elections
IL
LatestR+23in 2024
TypologyIndustrial Catholic Metrocluster typology
Population1,022,3932024 ACS

Illinois 16th Congressional District: Industrial Catholic Metro district. In 2024, voted R+23%. Republican peak: R+24 in 2016.

Key facts

2024 presidential margin
R+23MIT Election Lab
Political typology
Industrial Catholic MetroAkashic typology
Population
1,022,3932024 5-year
Median household income
$76,1892024 5-year
White (non-Hispanic)
78.8%2024 5-year
Black
6.8%2024 5-year
Hispanic / Latino
10.1%2024 5-year
Peak Republican margin
R+24 in 2016MIT Election Lab
DW-NOMINATE
Member ideology
R
LAHOOD, DarinCongress 119 · Republican
DW-NOMINATE first-dimension (economic) score0.46 sits at approximately the 73rd percentile.00.46−1 liberal+1 conservative
LAHOOD scores 0.46 on the first NOMINATE dimension (−1 most liberal, +1 most conservative).

Predecessors: KINZINGER, Adam (2021–2023), KINZINGER, Adam (2019–2021), KINZINGER, Adam (2017–2019), KINZINGER, Adam (2015–2017)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
2024 presidential election
Congressional District 16
TrumpR+23
—
2024 presidential margin by county for Congressional District 16, ILA map of the constituent counties of Congressional District 16, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Tazewell County, IL · R+27Woodford County, IL · R+42Peoria County, IL · D+5Ford County, IL · R+48Livingston County, IL · R+46Marshall County, IL · R+36Stark County, IL · R+46Stephenson County, IL · R+19McHenry County, IL · R+5Boone County, IL · R+14Putnam County, IL · R+23Grundy County, IL · R+30Lee County, IL · R+22DeKalb County, IL · D+2Jo Daviess County, IL · R+17Bureau County, IL · R+24Ogle County, IL · R+29Winnebago County, IL · D+1McLean County, IL · D+5LaSalle County, IL · R+18Henry County, IL · R+24
How it voted
Share of the 2024 vote
Donald Trump ✓Republican60.1%235,804
Kamala HarrisDemocratic37.6%147,421
OtherAll other candidates2.4%9,268
D+60
R+60
21 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
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: −22.5% in 2024.−22.5%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−6.1%
2012−17.4%
2016−23.8%
2020−21.5%
2024−22.5%
DemocraticRepublican
5 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−22.5%
147,421235,804392,493
R
−21.5%
152,580238,700400,384
R
−23.8%
125,703212,977366,950
R
−17.4%
141,751201,372343,123
R
−6.1%
166,863189,227364,345
Congressional elections · 16 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonD %R %Total
2022O0.0%41.5%4,098,896
2020D54.9%38.9%5,968,901
2016D54.9%39.8%5,491,878
2014D53.5%42.7%3,603,519
2010R46.4%48.0%3,704,473
2008D67.8%28.5%5,329,884
2004D70.0%27.0%5,141,520
2002D60.3%38.0%3,486,851
1998R47.4%50.3%3,394,521
1996D56.1%40.7%4,250,722
1992D53.3%43.1%4,939,558
1990D65.1%34.9%3,251,005
1986D65.1%33.7%3,122,883
1984D50.1%48.2%4,787,335
1980D56.0%42.5%4,580,029
1978R45.5%53.3%3,184,764

Demographics

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
25.6%
Irish
13.5%
English
10.7%
Italian
5.5%
Polish
4.4%
American
4.0%
French
1.0%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 39.9 in this county, 39.1 nationally
Male
Age
Female
0.8%
85+
1.5%
2.5%
75–84
2.9%
5.2%
65–74
5.6%
6.5%
55–64
6.6%
6.0%
45–54
6.0%
6.3%
35–44
6.1%
6.1%
25–34
6.0%
4.8%
18–24
4.7%
8.6%
5–17
8.3%
2.8%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$76,189
Congressional District 16 ranks near the middle of US counties.
Congressional District 16$76,189
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
11.8%
Child poverty is below the national average.
Children under 1814.7%
Working age (18–64)11.1%
Seniors (65+)9.4%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
90.3%
speak English only
Spanish6.1%
Other Indo-European1.8%
Asian & Pacific Islander1.3%
Other languages0.6%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
17.1%
Other Christian
9.6%
Mainline Protestant
7.4%
Methodist
4.1%
Pentecostal & Holiness
3.5%
Baptist
2.5%
Non-Christian
1.5%
Source · 2020 US Religion Census. Remaining 54.3% of residents not counted as adherents by any reporting body.

Illinois's 16th stretches across the state's northern tier, blending mid-size city suburbs with deep agricultural townships that have shifted steadily toward Republican margins—landing at R+18.4 in 2024.

Across the recorded series it reached a Republican high of twenty-four points in 2016. Between 2020 and 2024 the district moved one point toward the Republican candidate; the 2024 margin was twenty-three points.

A population of 1,022,393, a 79% non-Hispanic-white share, and a median household income of $76,189 describe the district.

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.
Congressional District 16, Illinois. Akashic. https://akashic.app/cd/1716/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 16, Illinois vote in 2024?
In 2024, Congressional District 16, Illinois voted Republican by 22.5 points (R+23), carried by the Republican candidate. Out of 392,493 votes cast, 147,421 went Democratic and 235,804 went Republican.
What is Congressional District 16, Illinois's political typology?
Akashic places Congressional District 16, Illinois in the "Industrial Catholic Metro" 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 district has voted Democratic 0 times, Republican 5 times, and other 0 times.
How many people live in Congressional District 16, Illinois?
Congressional District 16, Illinois has a population of 1,022,393 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 16, Illinois?
Median household income in Congressional District 16, Illinois is $76,189 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Congressional District 16, Illinois?
Akashic tracks 5 presidential elections in Congressional District 16, Illinois from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican. The district's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.