Randolph County, Illinois: Farm Belt county. In 2024, voted R+50%. Republican peak: R+50 in 2020.
Key facts
- 2024 presidential margin
- R+50MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 30,0582024 5-year
- Median household income
- $68,1312024 5-year
- White (non-Hispanic)
- 85.8%2024 5-year
- Black
- 8.3%2024 5-year
- Hispanic / Latino
- 3.8%2024 5-year
- Peak Democratic margin
- D+28 in 1932MIT Election Lab
- Peak Republican margin
- R+50 in 2020MIT Election Lab
- Most similar
- Marion County, IL · similarity 1.00
2024 results by precinct
2024 precinct map of Randolph CountyPrecinct-level 2024 presidential results for Randolph 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 | +5.0% |
| 1896 | +0.9% |
| 1900 | +3.6% |
| 1904 | −11.6% |
| 1908 | +2.0% |
| 1912 | +26.1% |
| 1916 | −1.0% |
| 1920 | −30.3% |
| 1924 | −7.3% |
| 1928 | +4.2% |
| 1932 | +28.5% |
| 1936 | +7.6% |
| 1940 | −8.9% |
| 1944 | −9.6% |
| 1948 | −0.1% |
| 1952 | −9.3% |
| 1956 | −10.9% |
| 1960 | −4.2% |
| 1964 | +22.6% |
| 1968 | −11.3% |
| 1972 | −20.5% |
| 1976 | +3.0% |
| 1980 | −17.8% |
| 1984 | −19.3% |
| 1988 | +2.9% |
| 1992 | +21.9% |
| 1996 | +13.6% |
| 2000 | −2.3% |
| 2004 | −8.7% |
| 2008 | −0.9% |
| 2012 | −17.5% |
| 2016 | −46.4% |
| 2020 | −50.2% |
| 2024 | −50.0% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 3,461 | 10,624 | 14,333 | ||
| R | 3,592 | 11,076 | 14,910 | ||
| R | 3,439 | 10,023 | 14,194 | ||
| R | 5,759 | 8,290 | 14,438 | ||
| R | 7,395 | 7,538 | 15,202 | ||
| R | 6,771 | 8,076 | 14,956 | ||
| R | 6,794 | 7,127 | 14,287 | ||
| D | 7,419 | 5,422 | 14,647 | ||
| D | 8,529 | 4,899 | 16,565 | ||
| D | 7,844 | 7,396 | 15,318 | ||
| R | 6,355 | 9,415 | 15,829 | ||
| R | 6,052 | 8,810 | 15,494 | ||
| D | 8,693 | 8,190 | 17,038 | ||
| R | 6,440 | 9,761 | 16,215 | ||
| R | 5,953 | 7,681 | 15,250 | ||
| D | 9,199 | 5,803 | 15,002 | ||
| R | 7,344 | 7,988 | 15,347 | ||
| R | 6,778 | 8,439 | 15,221 | ||
| R | 6,998 | 8,427 | 15,438 | ||
| R | 6,852 | 6,867 | 13,781 | ||
| R | 6,199 | 7,518 | 13,756 | ||
| R | 7,802 | 9,333 | 17,215 | ||
| D | 8,247 | 7,057 | 15,701 | ||
| D | 8,634 | 4,747 | 13,647 | ||
| D | 6,251 | 5,739 | 12,093 | ||
| R | 3,734 | 4,527 | 10,880 | ||
| R | 3,181 | 6,180 | 9,882 | ||
| R | 5,403 | 5,517 | 11,233 | ||
| D | 3,217 | 1,548 | 6,386 | ||
| D | 3,172 | 3,045 | 6,473 | ||
| R | 2,518 | 3,238 | 6,207 | ||
| D | 3,278 | 3,045 | 6,469 | ||
| D | 3,081 | 3,024 | 6,229 | ||
| D | 2,702 | 2,425 | 5,528 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
35.7%
Irish
11.3%
English
9.3%
American
5.8%
French
4.7%
Italian
2.5%
Polish
1.4%
African American
6.6%
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: 43.7 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
$68,131
Randolph County ranks near the middle of US counties.
Randolph County$68,131
Illinois$83,390
United States$80,734
Randolph 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
14.6%
Children face moderate poverty.
Children under 1819.5%
Working age (18–64)14.3%
Seniors (65+)6.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
96.9%
speak English only
Spanish1.8%
Asian & Pacific Islander0.6%
Other Indo-European0.5%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 48.0% of residents not counted as adherents by any reporting body.
Randolph County sits along Illinois's southwestern border with Missouri, and its 2024 presidential margin of R+50 points places it among the state's most lopsided rural counties — a sharp contrast to the statewide outcome.
The Republican margin here reached fifty points in 2020. The 2024 margin was fifty points.
A population of 30,058, a 86% non-Hispanic-white share, and a median household income of $68,131 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Marion County and St. Francois 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.
Randolph County, Illinois. Akashic. https://akashic.app/county/17157/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More farm belt counties
Frequently asked questions
How did Randolph County, Illinois vote in 2024?
In 2024, Randolph County, Illinois voted Republican by 50.0 points (R+50), carried by the Republican candidate. Out of 14,333 votes cast, 3,461 went Democratic and 10,624 went Republican.
What is Randolph County, Illinois's political typology?
Akashic places Randolph 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 13 times, Republican 21 times, and other 0 times.
When did Randolph County, Illinois last vote Democratic?
The most recent presidential election in which Randolph County, Illinois voted Democratic was 1996.
How many people live in Randolph County, Illinois?
Randolph County, Illinois has a population of 30,058 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Randolph County, Illinois?
Median household income in Randolph County, Illinois is $68,131 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Randolph County, Illinois?
Akashic tracks 38 presidential elections in Randolph County, Illinois from 1876 to 2024. Of those, 13 went Democratic and 21 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.