Akashic
1892–2024
Akashic
Decatur, IL
presidential margin
2008D+1.12012R+5.22016R+17.72020R+17.62024R+18.9
full record · 1892 → 2024
R+18.9
2024
median income$62,666U.S. $80,734 · IL $83,390
median age40.6U.S. 39.1 · IL 39.1
poverty rate15.0%U.S. 12.5% · IL 11.8%
bachelor’s+ (25+)24.4%U.S. 35.6% · IL 37.9%
non-english4.1%U.S. 22.3% · IL 24.1%
race · ethnicity · ancestry
German18.6%
English12.4%
Irish10.4%
African American†15.6%
African0.4%
Mexican1.9%
Puerto Rican0.3%
Asian Indian0.6%
Filipino0.3%
Chinese0.2%
religion
other traditions
Mainline7.2%
Black Protestant3.3%
Other Christian1.9%
Muslim1.1%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Decatur, IL, Illinois

Akashic
Decatur, ILTrumpR+18.9
—
2024 presidential margin by county for Decatur, IL, ILA map of the single county of Decatur, IL, IL, outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Macon County, IL · R+18.9
How it voted
Share of the 2024 vote
Donald Trump ✓Republican58.6%26,562
Kamala HarrisDemocratic39.7%18,009
Robert F. Kennedy Jr.Independent1.7%770
D+60
R+60
A single county, filled by its 2024 D-vs-R margin. Hover it for the full result.
County-level results (1 county) — table
2024 presidential result by county for Decatur, IL, IL — winner and D-vs-R margin.
CountyWinnerMargin
Macon County, ILRepublicanR+18.9
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
39.7%Harris18,009
58.6%Trump26,562
1.7%Kennedy770
−18.9%
45,341
R
40.1%Biden19,847
57.7%Trump28,589
2.2%Jorgensen1,098
−17.6%
49,534
R
38.2%Clinton18,343
55.9%Trump26,866
5.9%Johnson2,851
−17.7%
48,060
R
46.5%Obama22,780
51.6%Romney25,309
1.9%Johnson941
−5.2%
49,030
D
49.8%Obama25,487
48.7%McCain24,948
1.5%Nader781
+1.1%
51,216
R
45.1%Kerry23,341
54.3%Bush28,118
0.6%Badnarik287
−9.2%
51,746
D
49.0%Gore24,262
48.1%Bush23,830
2.8%Nader1,407
+0.9%
49,499
D
51.4%Clinton24,256
38.4%Dole18,161
10.2%Perot4,818
+12.9%
47,235
D
49.4%Clinton27,449
33.6%Bush18,684
17.0%Perot9,447
+15.8%
55,580
D
51.3%Dukakis25,364
48.2%Bush23,862
0.5%Paul263
+3.0%
49,489
R
45.4%Mondale25,463
54.3%Reagan30,457
0.3%Bergland192
−8.9%
56,112
R
41.4%Carter22,325
52.4%Reagan28,298
6.2%Anderson3,333
−11.1%
53,956
D
52.7%Carter28,243
46.4%Ford24,893
0.9%McCarthy463
+6.3%
53,599
R
40.6%McGovern20,296
59.2%Nixon29,596
0.3%Schmitz137
−18.6%
50,029
D
47.0%Humphrey23,369
42.3%Nixon21,027
10.7%Wallace5,345
+4.7%
49,741
D
66.1%Johnson35,045
33.9%Goldwater17,957
0.0%
+32.2%
53,002
R
48.8%Kennedy26,029
51.0%Nixon27,151
0.2%Byrd108
−2.1%
53,288
R
45.4%Stevenson23,066
54.5%Eisenhower27,673
0.1%Andrews32
−9.1%
50,771
R
46.3%Stevenson22,277
53.6%Eisenhower25,744
0.1%Hallinan45
−7.2%
48,066
D
53.1%Truman21,487
46.3%Dewey18,719
0.6%Thurmond250
+6.8%
40,456
D
53.6%Roosevelt22,808
46.1%Dewey19,608
0.4%Thomas153
+7.5%
42,569
D
57.6%Roosevelt27,589
41.8%Willkie19,998
0.6%Thomas277
+15.9%
47,864
D
62.9%Roosevelt27,360
35.8%Landon15,585
1.2%Lemke541
+27.1%
43,486
D
55.0%Roosevelt21,638
42.9%Hoover16,868
2.1%Thomas840
+12.1%
39,346
R
28.7%Smith9,932
70.7%Hoover24,492
0.7%Thomas230
−42.0%
34,654
R
24.4%Davis6,670
60.2%Coolidge16,458
15.4%La Follette4,203
−35.8%
27,331
R
31.3%Cox7,917
65.3%Harding16,486
3.4%Debs854
−33.9%
25,257
R
42.3%Wilson11,181
53.0%Hughes13,997
4.7%Benson1,249
−10.7%
26,427
O
36.1%Wilson4,435
27.3%Taft3,356
36.5%Roosevelt4,487
Roosevelt +0.4
12,278
R
38.9%Bryan4,615
56.0%Taft6,643
5.1%Debs608
−17.1%
11,866
R
29.5%Parker2,952
62.8%Roosevelt6,284
7.7%Debs772
−33.3%
10,008
R
43.5%Bryan4,874
54.3%McKinley6,086
2.3%Woolley256
−10.8%
11,216
R
42.6%Bryan4,756
55.7%McKinley6,216
1.6%Palmer182
−13.1%
11,154
R
45.2%Cleveland4,303
48.0%Harrison4,575
6.8%Weaver646
−2.9%
9,524
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −18.9% in 2024.flipped R · 2012−18.9%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−2.9%
1896−13.1%
1900−10.8%
1904−33.3%
1908−17.1%
1912+8.8%
1916−10.7%
1920−33.9%
1924−35.8%
1928−42.0%
1932+12.1%
1936+27.1%
1940+15.9%
1944+7.5%
1948+6.8%
1952−7.2%
1956−9.1%
1960−2.1%
1964+32.2%
1968+4.7%
1972−18.6%
1976+6.3%
1980−11.1%
1984−8.9%
1988+3.0%
1992+15.8%
1996+12.9%
2000+0.9%
2004−9.2%
2008+1.1%
2012−5.2%
2016−17.7%
2020−17.6%
2024−18.9%
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Voter registration in Decatur, ILTotal registered voters, 2016–2024. Latest 75,295 in 2024.20.2K40.5K60.7K80.9K75.3K20162024
Registered voters
Voter registration in Decatur, IL
YearTotal registered
201679,765
201879,379
202080,880
202280,906
202475,295
Source: U.S. Election Assistance Commission (EAVS)

Decatur anchors Macon County, a once-reliably Democratic union stronghold that shifted sharply rightward as Archer Daniels Midland's workforce contracted and the region's industrial base eroded over the past three decades.

Across the recorded series it reached a Democratic high of 32.2 points in 1964 and a Republican high of 42.0 points in 1928. Between 2020 and 2024 the metro moved 1.2 points toward the Republican candidate; the 2024 margin was 18.9 points.

A population of 101,849, a 73% non-Hispanic-white share, and a median household income of $62,666 describe the metro. The metro's voting pattern over the last decade is most similar to that of Flint, MI and Elizabeth City, NC.

Political twins — metros

The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Flint, MI
80.3twin score
% Black% Latinomedian income≠ 2000 margin
Elizabeth City, NC
77.4twin score
2000–2008 trajectory% Latinoelasticity≠ % Black
Battle Creek, MI
76.5twin score
2000–2008 trajectorymedian income≠ % unaffiliated

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

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.
Decatur, IL, Illinois. Akashic. https://akashic.app/cbsa/19500/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Decatur, IL

counties1
Macon County

Frequently asked questions

How did Decatur, IL, Illinois vote in 2024?
In 2024, Decatur, IL, Illinois voted Republican by 18.9 points (R+18.9), carried by the Republican candidate. Out of 45,341 votes cast, 18,009 went Democratic and 26,562 went Republican.
When did Decatur, IL, Illinois last vote Democratic?
The most recent presidential election in which Decatur, IL, Illinois voted Democratic was 2008.
How many people live in Decatur, IL, Illinois?
Decatur, IL, Illinois has a population of 101,849 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Decatur, IL, Illinois?
Median household income in Decatur, IL, Illinois is $62,666 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Decatur, IL, Illinois?
Akashic tracks 34 presidential elections in Decatur, IL, Illinois from 1892 to 2024. Of those, 13 went Democratic and 20 went Republican.