Quincy, IL-MO, Illinois: Populist metro. In 2024, voted R+49%. Republican peak: R+49 in 2024.
Key facts
- 2024 presidential margin
- R+49MIT Election Lab
- Political archetype
- PopulistAkashic typology
- Population
- 74,6782024 5-year
- Median household income
- $65,3852024 5-year
- White (non-Hispanic)
- 90.7%2024 5-year
- Black
- 2.9%2024 5-year
- Hispanic / Latino
- 2.0%2024 5-year
- Peak Democratic margin
- D+36 in 1932MIT Election Lab
- Peak Republican margin
- R+49 in 2024MIT Election Lab
Constituent county margins for Quincy, IL-MO, ILOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 8,983 | 26,726 | 36,252 | ||
| R | 9,617 | 27,773 | 38,146 | ||
| R | 8,610 | 26,134 | 36,790 | ||
| R | 11,156 | 23,093 | 34,976 | ||
| R | 13,631 | 21,305 | 35,325 | ||
| R | 12,265 | 23,696 | 36,121 | ||
| R | 14,220 | 19,719 | 34,593 | ||
| R | 13,386 | 15,289 | 32,587 | ||
| R | 13,944 | 14,990 | 36,141 | ||
| R | 16,228 | 17,634 | 33,983 | ||
| R | 12,313 | 22,663 | 35,064 | ||
| R | 12,920 | 22,192 | 36,706 | ||
| R | 14,412 | 20,172 | 34,982 | ||
| R | 10,750 | 23,469 | 34,279 | ||
| R | 13,588 | 19,482 | 36,750 | ||
| D | 21,602 | 15,232 | 36,834 | ||
| R | 17,553 | 21,234 | 38,815 | ||
| R | 14,130 | 21,870 | 36,032 | ||
| R | 16,197 | 22,068 | 38,294 | ||
| D | 18,115 | 15,893 | 34,172 | ||
| R | 16,616 | 17,552 | 34,321 | ||
| R | 20,845 | 20,908 | 42,275 | ||
| D | 22,716 | 15,108 | 39,376 | ||
| D | 24,844 | 11,475 | 36,812 | ||
| R | 16,097 | 18,331 | 34,739 | ||
| R | 12,109 | 12,401 | 30,524 | ||
| R | 10,764 | 15,662 | 28,926 | ||
| D | 16,625 | 13,287 | 30,611 | ||
| D | 9,292 | 3,737 | 18,021 | ||
| D | 10,733 | 8,706 | 20,307 | ||
| R | 8,351 | 8,744 | 18,588 | ||
| D | 11,427 | 9,489 | 21,304 | ||
| D | 10,649 | 10,028 | 21,049 | ||
| D | 9,966 | 7,403 | 18,209 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
31.6%
English
10.3%
Irish
10.0%
American
6.6%
Italian
1.9%
Scottish
1.7%
French
1.5%
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.
Age distribution by sex
Median age: 40.9 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$65,385
Quincy, IL-MO ranks near the middle of US counties.
Quincy, IL-MO$65,385
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
12.8%
Child poverty is below the national average.
Children under 1814.3%
Working age (18–64)12.1%
Seniors (65+)14.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
97.6%
speak English only
Spanish1.0%
Other Indo-European0.8%
Asian & Pacific Islander0.4%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 29.1% of residents not counted as adherents by any reporting body.
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.
The Democratic margin in Quincy, IL-MO peaked at thirty-six points in 1932. By 1968 the metro had flipped, voting Republican for the first time in many years. The 2024 margin was forty-nine points, the most Republican-leaning result in the metro's modern history.
The economic context is the key. The median household income of $65,385 sits well below state and national norms, and 13% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Quincy, IL-MO, Illinois — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cbsa/39500/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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+49), carried by the Republican candidate. Out of 36,252 votes cast, 8,983 went Democratic and 26,726 went Republican.
What is Quincy, IL-MO, Illinois's political archetype?
Akashic classifies Quincy, IL-MO, Illinois as a "Populist" metro based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the metro has voted Democratic 10 times, Republican 24 times, and other 0 times.
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 38 presidential elections in Quincy, IL-MO, Illinois from 1876 to 2024. Of those, 10 went Democratic and 24 went Republican. The metro's archetype — "Populist" — captures the overall trajectory of that voting record.