Massac County, Illinois: Farm Belt county. In 2024, voted R+49%. Republican peak: R+68 in 1920.
Key facts
- 2024 presidential margin
- R+49MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 13,8652024 5-year
- Median household income
- $65,1162024 5-year
- White (non-Hispanic)
- 86.3%2024 5-year
- Black
- 6.7%2024 5-year
- Hispanic / Latino
- 2.9%2024 5-year
- Peak Democratic margin
- D+8 in 1992MIT Election Lab
- Peak Republican margin
- R+68 in 1920MIT Election Lab
- Most similar
- Lewis County, WV · similarity 1.00
2024 results by precinct
2024 precinct map of Massac CountyPrecinct-level 2024 presidential results for Massac 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 | −32.3% |
| 1896 | −40.1% |
| 1900 | −43.6% |
| 1904 | −53.5% |
| 1908 | −50.6% |
| 1912 | −26.6% |
| 1916 | −50.6% |
| 1920 | −67.7% |
| 1924 | −51.1% |
| 1928 | −46.3% |
| 1932 | −4.7% |
| 1936 | −12.2% |
| 1940 | −25.2% |
| 1944 | −36.4% |
| 1948 | −26.5% |
| 1952 | −21.7% |
| 1956 | −28.8% |
| 1960 | −26.2% |
| 1964 | +4.9% |
| 1968 | −25.5% |
| 1972 | −40.3% |
| 1976 | +6.3% |
| 1980 | −20.1% |
| 1984 | −9.0% |
| 1988 | −4.1% |
| 1992 | +8.4% |
| 1996 | +5.5% |
| 2000 | −11.3% |
| 2004 | −23.9% |
| 2008 | −23.4% |
| 2012 | −33.7% |
| 2016 | −49.1% |
| 2020 | −48.0% |
| 2024 | −48.8% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,683 | 4,939 | 6,676 | ||
| R | 1,725 | 4,997 | 6,818 | ||
| R | 1,558 | 4,846 | 6,697 | ||
| R | 2,092 | 4,278 | 6,495 | ||
| R | 2,693 | 4,371 | 7,186 | ||
| R | 2,805 | 4,578 | 7,424 | ||
| R | 2,912 | 3,676 | 6,744 | ||
| D | 2,841 | 2,507 | 6,058 | ||
| D | 3,347 | 2,754 | 7,056 | ||
| R | 3,227 | 3,507 | 6,763 | ||
| R | 3,194 | 3,827 | 7,049 | ||
| R | 2,821 | 4,284 | 7,272 | ||
| D | 3,666 | 3,226 | 6,937 | ||
| R | 1,831 | 4,313 | 6,162 | ||
| R | 1,934 | 3,578 | 6,446 | ||
| D | 3,396 | 3,078 | 6,474 | ||
| R | 2,644 | 4,521 | 7,171 | ||
| R | 2,359 | 4,265 | 6,629 | ||
| R | 2,711 | 4,212 | 6,930 | ||
| R | 1,842 | 3,201 | 5,125 | ||
| R | 1,758 | 3,814 | 5,648 | ||
| R | 2,813 | 4,722 | 7,574 | ||
| R | 3,039 | 3,894 | 6,983 | ||
| R | 2,593 | 2,851 | 5,525 | ||
| R | 1,241 | 3,405 | 4,673 | ||
| R | 920 | 3,227 | 4,517 | ||
| R | 688 | 3,731 | 4,496 | ||
| R | 1,236 | 3,926 | 5,317 | ||
| R | 599 | 1,341 | 2,790 | ||
| R | 652 | 2,084 | 2,829 | ||
| R | 589 | 2,078 | 2,781 | ||
| R | 796 | 2,057 | 2,890 | ||
| R | 869 | 2,046 | 2,938 | ||
| R | 799 | 1,652 | 2,642 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
19.4%
English
14.7%
Irish
12.9%
American
6.9%
Italian
1.5%
Polish
1.5%
Scottish
1.5%
African American
5.4%
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: 44.7 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
$65,116
Massac County ranks near the middle of US counties.
Massac County$65,116
Illinois$83,390
United States$80,734
Massac 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
16.3%
Children face moderate poverty.
Children under 1823.2%
Working age (18–64)15.0%
Seniors (65+)10.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
97.5%
speak English only
Spanish1.8%
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 35.7% of residents not counted as adherents by any reporting body.
Tucked into Illinois's Ohio River borderland, Massac County votes more like western Kentucky than the Chicago metro, with its 2024 presidential margin exceeding 48 points — among the widest in the state.
The Republican margin here reached sixty-eight points in 1920. Between 2020 and 2024 the county moved one point toward the Republican candidate; the 2024 margin was forty-nine points.
A population of 13,865, a 86% non-Hispanic-white share, and a median household income of $65,116 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Lewis County and Caldwell 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.
Massac County, Illinois. Akashic. https://akashic.app/county/17127/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More farm belt counties
Frequently asked questions
How did Massac County, Illinois vote in 2024?
In 2024, Massac County, Illinois voted Republican by 48.8 points (R+49), carried by the Republican candidate. Out of 6,676 votes cast, 1,683 went Democratic and 4,939 went Republican.
What is Massac County, Illinois's political typology?
Akashic places Massac County, Illinois in the "Farm Belt" typology — Rural Plains and Midwest farm counties — Republican, with modest recent movement. 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 4 times, Republican 30 times, and other 0 times.
When did Massac County, Illinois last vote Democratic?
The most recent presidential election in which Massac County, Illinois voted Democratic was 1996.
How many people live in Massac County, Illinois?
Massac County, Illinois has a population of 13,865 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massac County, Illinois?
Median household income in Massac County, Illinois is $65,116 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Massac County, Illinois?
Akashic tracks 38 presidential elections in Massac County, Illinois from 1876 to 2024. Of those, 4 went Democratic and 30 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.