Macoupin County, Illinois: Heartland Swing county. In 2024, voted R+39%. Republican peak: R+39 in 2024.
Key facts
- 2024 presidential margin
- R+39MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 44,3502024 5-year
- Median household income
- $70,8052024 5-year
- White (non-Hispanic)
- 93.9%2024 5-year
- Black
- 1.5%2024 5-year
- Hispanic / Latino
- 1.4%2024 5-year
- Peak Democratic margin
- D+33 in 1932MIT Election Lab
- Peak Republican margin
- R+39 in 2024MIT Election Lab
- Most similar
- Gallatin County, IL · similarity 0.99
2024 results by precinct
2024 precinct map of Macoupin CountyPrecinct-level 2024 presidential results for Macoupin County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +12.4% |
| 1896 | +5.6% |
| 1900 | +6.2% |
| 1904 | −4.5% |
| 1908 | +6.7% |
| 1912 | +26.4% |
| 1916 | +5.6% |
| 1920 | −14.2% |
| 1924 | −11.2% |
| 1928 | +2.6% |
| 1932 | +32.9% |
| 1936 | +20.9% |
| 1940 | +4.9% |
| 1944 | +1.6% |
| 1948 | +6.9% |
| 1952 | +2.4% |
| 1956 | +0.1% |
| 1960 | +5.6% |
| 1964 | +28.7% |
| 1968 | +2.1% |
| 1972 | −16.8% |
| 1976 | +7.4% |
| 1980 | −13.5% |
| 1984 | −7.3% |
| 1988 | +13.1% |
| 1992 | +23.4% |
| 1996 | +18.4% |
| 2000 | +5.9% |
| 2004 | −1.0% |
| 2008 | +9.8% |
| 2012 | −7.0% |
| 2016 | −34.1% |
| 2020 | −36.5% |
| 2024 | −39.2% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 6,892 | 16,065 | 23,425 | ||
| R | 7,365 | 16,153 | 24,070 | ||
| R | 6,689 | 14,322 | 22,391 | ||
| R | 9,464 | 10,946 | 21,083 | ||
| D | 12,090 | 9,891 | 22,373 | ||
| R | 11,193 | 11,413 | 22,785 | ||
| D | 11,015 | 9,749 | 21,389 | ||
| D | 11,107 | 7,235 | 21,075 | ||
| D | 12,050 | 6,518 | 23,661 | ||
| D | 12,195 | 9,362 | 21,669 | ||
| R | 10,602 | 12,282 | 22,953 | ||
| R | 9,116 | 12,131 | 22,354 | ||
| D | 11,910 | 10,242 | 22,486 | ||
| R | 9,662 | 13,583 | 23,407 | ||
| D | 10,750 | 10,262 | 23,368 | ||
| D | 15,227 | 8,430 | 23,657 | ||
| D | 13,120 | 11,731 | 24,896 | ||
| D | 12,303 | 12,290 | 24,627 | ||
| D | 12,944 | 12,336 | 25,348 | ||
| D | 11,742 | 10,198 | 22,298 | ||
| D | 11,951 | 11,572 | 23,683 | ||
| D | 14,356 | 13,000 | 27,610 | ||
| D | 14,896 | 9,502 | 25,851 | ||
| D | 14,810 | 7,031 | 23,640 | ||
| D | 11,290 | 10,699 | 22,438 | ||
| R | 6,134 | 8,571 | 21,841 | ||
| R | 5,936 | 8,700 | 19,470 | ||
| D | 10,012 | 8,875 | 20,304 | ||
| D | 4,902 | 2,177 | 10,314 | ||
| D | 5,775 | 4,988 | 11,664 | ||
| R | 4,336 | 4,796 | 10,272 | ||
| D | 5,472 | 4,814 | 10,673 | ||
| D | 5,574 | 4,970 | 10,708 | ||
| D | 5,051 | 3,868 | 9,544 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
30.6%
English
15.5%
Irish
13.5%
American
8.0%
Italian
6.0%
Scottish
2.6%
French
1.5%
African American
1.2%
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
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: 44.2 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$70,805
Macoupin County ranks near the middle of US counties.
Macoupin County$70,805
Illinois$83,390
United States$80,734
Macoupin County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
13.1%
Children face moderate poverty.
Children under 1815.8%
Working age (18–64)12.0%
Seniors (65+)15.6%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
98.6%
speak English only
Spanish0.6%
Other Indo-European0.4%
Asian & Pacific Islander0.3%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 58.4% of residents not counted as adherents by any reporting body.
Macoupin's shift mirrors the broader realignment of rural Illinois: a county that sent Democrats to Springfield for generations recorded a 39-point Republican presidential margin in 2024, reflecting rapid change among white working-class voters.
The Democratic margin here peaked at thirty-three points in 1932. Between 2020 and 2024 the county moved three points toward the Republican candidate; the 2024 margin was thirty-nine points.
A population of 44,350, a 94% non-Hispanic-white share, and a median household income of $70,805 describe the county. The county's voting pattern over the last decade is most similar to that of Gallatin County and Ste. Genevieve County.
Most similar counties
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.
Macoupin County, Illinois. Akashic. https://akashic.app/county/17117/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More heartland swing counties
Frequently asked questions
How did Macoupin County, Illinois vote in 2024?
In 2024, Macoupin County, Illinois voted Republican by 39.2 points (R+39), carried by the Republican candidate. Out of 23,425 votes cast, 6,892 went Democratic and 16,065 went Republican.
What is Macoupin County, Illinois's political typology?
Akashic places Macoupin County, Illinois in the "Heartland Swing" typology — Industrial Midwest swing counties drifting steadily toward the Republican Party. 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 county has voted Democratic 23 times, Republican 11 times, and other 0 times.
When did Macoupin County, Illinois last vote Democratic?
The most recent presidential election in which Macoupin County, Illinois voted Democratic was 2008.
How many people live in Macoupin County, Illinois?
Macoupin County, Illinois has a population of 44,350 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Macoupin County, Illinois?
Median household income in Macoupin County, Illinois is $70,805 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Macoupin County, Illinois?
Akashic tracks 38 presidential elections in Macoupin County, Illinois from 1876 to 2024. Of those, 23 went Democratic and 11 went Republican. The county's typology — "Heartland Swing" — captures where that record, its demographics, and its recent swing place it among American communities.