akashic
1876–2024
Jacksonville, IL·Illinois

Jacksonville, IL has voted Republican in fifteen straight presidential elections — R+37 in 2024.

1876 — 2024·38 elections
IL
LatestR+37in 2024
TypologyFarm Beltcluster typology
Population37,9582024 ACS

Jacksonville, IL, Illinois: Farm Belt metro. In 2024, voted R+37%. Republican peak: R+37 in 2024.

Key facts

2024 presidential margin
R+37MIT Election Lab
Political typology
Farm BeltAkashic typology
Population
37,9582024 5-year
Median household income
$66,3582024 5-year
White (non-Hispanic)
88.7%2024 5-year
Black
4.4%2024 5-year
Hispanic / Latino
2.7%2024 5-year
Peak Democratic margin
D+28 in 1912MIT Election Lab
Peak Republican margin
R+37 in 2024MIT Election Lab
2024 presidential election
Jacksonville, IL
TrumpR+37
—
2024 presidential margin by county for Jacksonville, IL, ILA map of the constituent counties of Jacksonville, IL, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Morgan County, IL · R+32Scott County, IL · R+61
How it voted
Share of the 2024 vote
Donald Trump ✓Republican67.6%11,678
Kamala HarrisDemocratic30.9%5,336
OtherAll other candidates1.4%250
D+60
R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: −36.7% in 2024.flipped R · 1968−36.7%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892+7.7%
1896+2.9%
1900+3.1%
1904−7.7%
1908+2.3%
1912+28.3%
1916−0.5%
1920−23.6%
1924−14.2%
1928−25.8%
1932+15.9%
1936+7.2%
1940−4.7%
1944−11.4%
1948−9.0%
1952−21.9%
1956−23.4%
1960−15.6%
1964+11.6%
1968−16.8%
1972−32.3%
1976−9.4%
1980−29.8%
1984−33.4%
1988−17.4%
1992−1.5%
1996−1.8%
2000−15.8%
2004−25.3%
2008−2.7%
2012−17.0%
2016−33.4%
2020−35.5%
2024−36.7%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−36.7%
5,33611,67817,264
R
−35.5%
5,64812,06418,076
R
−33.4%
5,23111,04217,408
R
−17.0%
6,7169,55916,710
R
−2.7%
8,5579,04617,953
R
−25.3%
6,57711,08817,816
R
−15.8%
6,8539,51616,803
R
−1.8%
7,1627,46416,776
R
−1.5%
7,4087,69819,080
R
−17.4%
7,27510,34317,676
R
−33.4%
6,30412,65919,032
R
−29.8%
6,42412,39620,039
R
−9.4%
8,82710,67419,721
R
−32.3%
6,81913,33120,165
R
−16.8%
7,53310,87319,875
D
+11.6%
11,1878,86720,054
R
−15.6%
8,80212,05820,876
R
−23.4%
7,80512,56520,381
R
−21.9%
8,14312,70320,853
R
−9.0%
8,53310,23818,843
R
−11.4%
8,82911,10819,988
R
−4.7%
11,57412,72224,382
D
+7.2%
12,74511,00923,949
D
+15.9%
13,1829,52722,934
R
−25.8%
7,53512,79320,384
R
−14.2%
7,71510,45019,255
R
−23.6%
6,23310,24416,964
R
−0.5%
9,5619,66219,638
D
+28.3%
4,9892,15210,041
D
+2.3%
5,3695,12010,938
R
−7.7%
4,5795,41110,783
D
+3.1%
5,9065,54511,749
D
+2.9%
5,9215,57811,651
D
+7.7%
5,2884,47710,479
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Demographics

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
20.0%
English
16.2%
Irish
13.0%
American
8.2%
Italian
3.1%
French
1.6%
Scottish
1.4%
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: 41.7 in this county, 39.1 nationally
Male
Age
Female
1.3%
85+
2.1%
2.5%
75–84
3.4%
5.7%
65–74
6.1%
6.7%
55–64
7.2%
5.9%
45–54
5.5%
6.4%
35–44
5.4%
6.4%
25–34
5.1%
5.5%
18–24
5.6%
6.8%
5–17
7.5%
2.3%
<5
2.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$66,358
Jacksonville, IL ranks near the middle of US counties.
Jacksonville, IL$66,358
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
13.2%
Children face moderate poverty.
Children under 1815.5%
Working age (18–64)12.4%
Seniors (65+)13.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
97.6%
speak English only
Spanish1.4%
Other Indo-European0.5%
Asian & Pacific Islander0.5%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
11.7%
Mainline Protestant
9.9%
Baptist
9.9%
Methodist
5.1%
Other Christian
4.6%
Pentecostal & Holiness
1.1%
Non-Christian
0.3%
Source · 2020 US Religion Census. Remaining 57.3% of residents not counted as adherents by any reporting body.

Jacksonville, IL sits in the Upper Midwest. In 2024 it voted Republican.

Across the recorded series it reached a Democratic high of twenty-eight points in 1912 and a Republican high of thirty-seven points in 2024. Between 2020 and 2024 the metro moved one point toward the Republican candidate; the 2024 margin was thirty-seven points.

A population of 37,958, a 89% non-Hispanic-white share, and a median household income of $66,358 describe the metro.

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.
Jacksonville, IL, Illinois. Akashic. https://akashic.app/cbsa/27300/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Jacksonville, IL, Illinois vote in 2024?
In 2024, Jacksonville, IL, Illinois voted Republican by 36.7 points (R+37), carried by the Republican candidate. Out of 17,264 votes cast, 5,336 went Democratic and 11,678 went Republican.
What is Jacksonville, IL, Illinois's political typology?
Akashic places Jacksonville, IL, Illinois in the "Farm Belt" 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 38 elections in the dataset, the metro has voted Democratic 8 times, Republican 26 times, and other 0 times.
When did Jacksonville, IL, Illinois last vote Democratic?
The most recent presidential election in which Jacksonville, IL, Illinois voted Democratic was 1964.
How many people live in Jacksonville, IL, Illinois?
Jacksonville, IL, Illinois has a population of 37,958 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jacksonville, IL, Illinois?
Median household income in Jacksonville, IL, Illinois is $66,358 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Jacksonville, IL, Illinois?
Akashic tracks 38 presidential elections in Jacksonville, IL, Illinois from 1876 to 2024. Of those, 8 went Democratic and 26 went Republican. The metro's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.