Jefferson County, Indiana: Farm Belt county. In 2024, voted R+36%. Republican peak: R+36 in 2024.
Key facts
- 2024 presidential margin
- R+36MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 32,9982024 5-year
- Median household income
- $64,5772024 5-year
- White (non-Hispanic)
- 92.3%2024 5-year
- Black
- 1.0%2024 5-year
- Hispanic / Latino
- 3.5%2024 5-year
- Peak Democratic margin
- D+16 in 1964MIT Election Lab
- Peak Republican margin
- R+36 in 2024MIT Election Lab
- Most similar
- Wexford County, MI · similarity 0.99
2024 results by precinct
2024 precinct map of Jefferson CountyPrecinct-level 2024 presidential results for Jefferson 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 | −10.0% |
| 1896 | −15.6% |
| 1900 | −12.0% |
| 1904 | −10.9% |
| 1908 | −4.8% |
| 1912 | +14.9% |
| 1916 | −2.9% |
| 1920 | −17.5% |
| 1924 | −13.7% |
| 1928 | −15.0% |
| 1932 | +6.2% |
| 1936 | −5.0% |
| 1940 | −11.9% |
| 1944 | −13.4% |
| 1948 | −9.0% |
| 1952 | −18.3% |
| 1956 | −20.8% |
| 1960 | −10.6% |
| 1964 | +16.3% |
| 1968 | −9.4% |
| 1972 | −22.1% |
| 1976 | +4.8% |
| 1980 | −10.2% |
| 1984 | −20.0% |
| 1988 | −14.1% |
| 1992 | +4.3% |
| 1996 | +5.2% |
| 2000 | −12.3% |
| 2004 | −20.4% |
| 2008 | −5.9% |
| 2012 | −10.4% |
| 2016 | −30.9% |
| 2020 | −33.6% |
| 2024 | −36.0% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 4,442 | 9,614 | 14,355 | ||
| R | 4,731 | 9,663 | 14,697 | ||
| R | 4,325 | 8,538 | 13,644 | ||
| R | 5,728 | 7,096 | 13,156 | ||
| R | 6,255 | 7,053 | 13,490 | ||
| R | 5,117 | 7,763 | 12,971 | ||
| R | 5,117 | 6,582 | 11,931 | ||
| D | 5,441 | 4,827 | 11,785 | ||
| D | 5,510 | 4,937 | 13,191 | ||
| R | 5,221 | 6,949 | 12,268 | ||
| R | 4,952 | 7,482 | 12,639 | ||
| R | 5,496 | 6,831 | 13,087 | ||
| D | 6,139 | 5,573 | 11,873 | ||
| R | 4,267 | 6,722 | 11,103 | ||
| R | 4,635 | 5,731 | 11,623 | ||
| D | 6,694 | 4,808 | 11,586 | ||
| R | 5,119 | 6,333 | 11,492 | ||
| R | 4,344 | 6,632 | 11,004 | ||
| R | 4,251 | 6,169 | 10,473 | ||
| R | 4,302 | 5,166 | 9,604 | ||
| R | 4,376 | 5,748 | 10,234 | ||
| R | 4,688 | 5,957 | 10,676 | ||
| R | 4,805 | 5,320 | 10,207 | ||
| D | 5,305 | 4,670 | 10,164 | ||
| R | 3,906 | 5,295 | 9,251 | ||
| R | 3,914 | 5,192 | 9,355 | ||
| R | 4,000 | 5,732 | 9,880 | ||
| R | 2,518 | 2,675 | 5,376 | ||
| D | 2,325 | 1,563 | 5,131 | ||
| R | 2,708 | 2,995 | 5,983 | ||
| R | 2,542 | 3,195 | 6,006 | ||
| R | 2,636 | 3,371 | 6,116 | ||
| R | 2,645 | 3,636 | 6,345 | ||
| R | 2,549 | 3,135 | 5,866 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
20.3%
English
17.4%
American
11.8%
Irish
11.7%
Scottish
2.9%
Italian
2.0%
French
1.6%
African American
0.8%
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: 41.8 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
$64,577
Jefferson County ranks near the middle of US counties.
Jefferson County$64,577
Indiana$71,957
United States$80,734
Jefferson 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
12.3%
Child poverty is below the national average.
Children under 1813.5%
Working age (18–64)11.7%
Seniors (65+)15.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
96.3%
speak English only
Spanish1.7%
Other Indo-European1.2%
Asian & Pacific Islander0.8%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 60.4% of residents not counted as adherents by any reporting body.
Jefferson County sits along the Ohio River in southeastern Indiana, and its 2024 presidential margin of R+36 reflects a rural working-class electorate that has shifted sharply away from its historically competitive Democratic roots.
The Republican margin here reached thirty-six points in 2024. Between 2020 and 2024 the county moved two points toward the Republican candidate; the 2024 margin was thirty-six points.
A population of 32,998, a 92% non-Hispanic-white share, and a median household income of $64,577 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Wexford County and Montmorency 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.
Jefferson County, Indiana. Akashic. https://akashic.app/county/18077/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More farm belt counties
Frequently asked questions
How did Jefferson County, Indiana vote in 2024?
In 2024, Jefferson County, Indiana voted Republican by 36.0 points (R+36), carried by the Republican candidate. Out of 14,355 votes cast, 4,442 went Democratic and 9,614 went Republican.
What is Jefferson County, Indiana's political typology?
Akashic places Jefferson County, Indiana 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 6 times, Republican 28 times, and other 0 times.
When did Jefferson County, Indiana last vote Democratic?
The most recent presidential election in which Jefferson County, Indiana voted Democratic was 1996.
How many people live in Jefferson County, Indiana?
Jefferson County, Indiana has a population of 32,998 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jefferson County, Indiana?
Median household income in Jefferson County, Indiana is $64,577 — below the national median of $80,734. The Indiana state median is $71,957.
What is the political history of Jefferson County, Indiana?
Akashic tracks 38 presidential elections in Jefferson County, Indiana from 1876 to 2024. Of those, 6 went Democratic and 28 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.