Akashic
1892–2024
Akashic
Quincy, IL-MO
presidential margin
2008R+21.72012R+34.12016R+47.62020R+47.62024R+48.9
full record · 1892 → 2024
R+48.9
2024
median income$65,385U.S. $80,734 · IL $83,390
median age40.9U.S. 39.1
poverty rate12.8%U.S. 12.5%
bachelor’s+ (25+)26.1%U.S. 35.6%
non-english2.4%U.S. 22.3%
race · ethnicity · ancestry
German31.6%
English10.3%
Irish10.0%
African American†2.4%
African0.4%
Mexican1.5%
religion
other traditions
Mainline8.8%
Latter-day Saints1.2%
Muslim0.8%
Black Protestant0.7%
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.

Quincy, IL-MO, Illinois

Akashic
Quincy, IL-MOTrumpR+48.9
—
2024 presidential margin by county for Quincy, IL-MO, ILA map of the constituent counties of Quincy, IL-MO, IL, each 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.Adams County, IL · R+47.4Lewis County, MO · R+60.0
How it voted
Share of the 2024 vote
Donald Trump ✓Republican73.7%26,726
Kamala HarrisDemocratic24.8%8,983
Robert F. Kennedy Jr.Independent1.5%543
D+60
R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (2 counties) — table
2024 presidential result by county for Quincy, IL-MO, IL — winner and D-vs-R margin.
CountyWinnerMargin
Adams County, ILRepublicanR+47.4
Lewis County, MORepublicanR+60.0
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
24.8%Harris8,983
73.7%Trump26,726
1.5%Kennedy543
−48.9%
36,252
R
25.2%Biden9,617
72.8%Trump27,773
2.0%Jorgensen756
−47.6%
38,146
R
23.4%Clinton8,610
71.0%Trump26,134
5.6%Johnson2,046
−47.6%
36,790
R
31.9%Obama11,156
66.0%Romney23,093
2.1%Johnson727
−34.1%
34,976
R
38.6%Obama13,631
60.3%McCain21,305
1.1%Nader389
−21.7%
35,325
R
34.0%Kerry12,265
65.6%Bush23,696
0.4%Badnarik160
−31.6%
36,121
R
41.1%Gore14,220
57.0%Bush19,719
1.9%Nader654
−15.9%
34,593
R
41.1%Clinton13,386
46.9%Dole15,289
12.0%Perot3,912
−5.8%
32,587
R
38.6%Clinton13,944
41.5%Bush14,990
19.9%Perot7,207
−2.9%
36,141
R
47.8%Dukakis16,228
51.9%Bush17,634
0.4%Paul121
−4.1%
33,983
R
35.1%Mondale12,313
64.6%Reagan22,663
0.3%Bergland88
−29.5%
35,064
R
35.2%Carter12,920
60.5%Reagan22,192
4.3%Anderson1,594
−25.3%
36,706
R
41.2%Carter14,412
57.7%Ford20,172
1.1%McCarthy398
−16.5%
34,982
R
31.4%McGovern10,750
68.5%Nixon23,469
0.2%Schmitz60
−37.1%
34,279
R
37.0%Humphrey13,588
53.0%Nixon19,482
10.0%Wallace3,680
−16.0%
36,750
D
58.6%Johnson21,602
41.4%Goldwater15,232
0.0%
+17.3%
36,834
R
45.2%Kennedy17,553
54.7%Nixon21,234
0.1%Byrd28
−9.5%
38,815
R
39.2%Stevenson14,130
60.7%Eisenhower21,870
0.1%Andrews32
−21.5%
36,032
R
42.3%Stevenson16,197
57.6%Eisenhower22,068
0.1%Hallinan29
−15.3%
38,294
D
53.0%Truman18,115
46.5%Dewey15,893
0.5%Thurmond164
+6.5%
34,172
R
48.4%Roosevelt16,616
51.1%Dewey17,552
0.4%Thomas153
−2.7%
34,321
R
49.3%Roosevelt20,845
49.5%Willkie20,908
1.2%Thomas522
−0.1%
42,275
D
57.7%Roosevelt22,716
38.4%Landon15,108
3.9%Lemke1,552
+19.3%
39,376
D
67.5%Roosevelt24,844
31.2%Hoover11,475
1.3%Thomas493
+36.3%
36,812
R
46.3%Smith16,097
52.8%Hoover18,331
0.9%Thomas311
−6.4%
34,739
R
39.7%Davis12,109
40.6%Coolidge12,401
19.7%La Follette6,014
−1.0%
30,524
R
37.2%Cox10,764
54.1%Harding15,662
8.6%Debs2,500
−16.9%
28,926
D
54.3%Wilson16,625
43.4%Hughes13,287
2.3%Benson699
+10.9%
30,611
D
51.6%Wilson9,292
20.7%Taft3,737
27.7%Roosevelt4,992
+30.8%
18,021
D
52.9%Bryan10,733
42.9%Taft8,706
4.3%Debs868
+10.0%
20,307
R
44.9%Parker8,351
47.0%Roosevelt8,744
8.0%Debs1,493
−2.1%
18,588
D
53.6%Bryan11,427
44.5%McKinley9,489
1.8%Woolley388
+9.1%
21,304
D
50.6%Bryan10,649
47.6%McKinley10,028
1.8%Palmer372
+3.0%
21,049
D
54.7%Cleveland9,966
40.7%Harrison7,403
4.6%Weaver840
+14.1%
18,209
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: −48.9% in 2024.flipped R · 1968−48.9%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892+14.1%
1896+3.0%
1900+9.1%
1904−2.1%
1908+10.0%
1912+30.8%
1916+10.9%
1920−16.9%
1924−1.0%
1928−6.4%
1932+36.3%
1936+19.3%
1940−0.1%
1944−2.7%
1948+6.5%
1952−15.3%
1956−21.5%
1960−9.5%
1964+17.3%
1968−16.0%
1972−37.1%
1976−16.5%
1980−25.3%
1984−29.5%
1988−4.1%
1992−2.9%
1996−5.8%
2000−15.9%
2004−31.6%
2008−21.7%
2012−34.1%
2016−47.6%
2020−47.6%
2024−48.9%
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Voter registration in Quincy, IL-MOTotal registered voters, 2016–2024. Latest 55,757 in 2024.14.7K29.5K44.2K59K55.8K20162024
Registered voters
Voter registration in Quincy, IL-MO
YearTotal registered
201658,975
201854,161
202055,436
202248,856
202455,757
Source: U.S. Election Assistance Commission (EAVS)

Straddling the Mississippi, the Quincy metro pairs a mid-sized Illinois city with rural Missouri counties, producing a reliably conservative regional tilt that has widened in presidential cycles over the past decade.

Across the recorded series it reached a Democratic high of 36.3 points in 1932 and a Republican high of 48.9 points in 2024. Between 2020 and 2024 the metro moved 1.3 points toward the Republican candidate; the 2024 margin was 48.9 points.

A population of 74,678, a 90% non-Hispanic-white share, and a median household income of $65,385 describe the metro. The metro's voting pattern over the last decade is most similar to that of Sidney, OH and Decatur, IN.

Political twins — metros

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

Sidney, OH
85.4twin score
2012–2024 trajectory≠ French ancestry
Decatur, IN
84.7twin score
2016–2024 trajectory% unaffiliated≠ 2000 margin
Effingham, IL
80.7twin score
2016–2024 trajectory% White≠ % 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.
Quincy, IL-MO, Illinois. Akashic. https://akashic.app/cbsa/39500/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
Embed & data: CC BY 4.0 · Akashic Intelligence
U.S. electionsAll elections →
Presidentevery cycleUS Senateevery cycleUS Houseevery cycleGovernorevery cycle

Places within Quincy, IL-MO

counties2
Adams CountyLewis County

Frequently asked questions

How did Quincy, IL-MO, Illinois vote in 2024?
In 2024, Quincy, IL-MO, Illinois voted Republican by 48.9 points (R+48.9), carried by the Republican candidate. Out of 36,252 votes cast, 8,983 went Democratic and 26,726 went Republican.
When did Quincy, IL-MO, Illinois last vote Democratic?
The most recent presidential election in which Quincy, IL-MO, Illinois voted Democratic was 1964.
How many people live in Quincy, IL-MO, Illinois?
Quincy, IL-MO, Illinois has a population of 74,678 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Quincy, IL-MO, Illinois?
Median household income in Quincy, IL-MO, Illinois is $65,385 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Quincy, IL-MO, Illinois?
Akashic tracks 34 presidential elections in Quincy, IL-MO, Illinois from 1892 to 2024. Of those, 10 went Democratic and 24 went Republican.