Knox County, Indiana: Farm Belt county. In 2024, voted R+50%. Republican peak: R+50 in 2024.
Key facts
- 2024 presidential margin
- R+50MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 36,0072024 5-year
- Median household income
- $61,2372024 5-year
- White (non-Hispanic)
- 89.7%2024 5-year
- Black
- 1.7%2024 5-year
- Hispanic / Latino
- 3.0%2024 5-year
- Peak Democratic margin
- D+35 in 1932MIT Election Lab
- Peak Republican margin
- R+50 in 2024MIT Election Lab
- Most similar
- Edgar County, IL · similarity 1.00
2024 results by precinct
2024 precinct map of Knox CountyPrecinct-level 2024 presidential results for Knox 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 | +11.2% |
| 1896 | +11.0% |
| 1900 | +10.8% |
| 1904 | −2.1% |
| 1908 | +8.7% |
| 1912 | +16.8% |
| 1916 | +5.1% |
| 1920 | −10.1% |
| 1924 | +0.6% |
| 1928 | −1.0% |
| 1932 | +35.4% |
| 1936 | +22.7% |
| 1940 | +4.5% |
| 1944 | +1.3% |
| 1948 | +11.3% |
| 1952 | −15.2% |
| 1956 | −20.0% |
| 1960 | −7.3% |
| 1964 | +24.8% |
| 1968 | −6.0% |
| 1972 | −32.2% |
| 1976 | +2.7% |
| 1980 | −12.0% |
| 1984 | −25.5% |
| 1988 | −16.6% |
| 1992 | +0.2% |
| 1996 | +3.9% |
| 2000 | −14.5% |
| 2004 | −27.6% |
| 2008 | −6.5% |
| 2012 | −28.9% |
| 2016 | −46.8% |
| 2020 | −47.4% |
| 2024 | −50.3% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 3,625 | 11,236 | 15,123 | ||
| R | 4,067 | 11,655 | 16,011 | ||
| R | 3,772 | 11,077 | 15,602 | ||
| R | 5,228 | 9,612 | 15,145 | ||
| R | 7,569 | 8,639 | 16,424 | ||
| R | 5,649 | 9,990 | 15,746 | ||
| R | 6,300 | 8,485 | 15,054 | ||
| D | 7,003 | 6,395 | 15,532 | ||
| D | 6,718 | 6,683 | 17,284 | ||
| R | 7,006 | 9,813 | 16,881 | ||
| R | 6,417 | 10,872 | 17,459 | ||
| R | 7,829 | 10,083 | 18,822 | ||
| D | 9,612 | 9,100 | 18,860 | ||
| R | 6,089 | 11,940 | 18,196 | ||
| R | 7,297 | 8,369 | 17,818 | ||
| D | 12,678 | 7,612 | 20,411 | ||
| R | 9,918 | 11,490 | 21,516 | ||
| R | 8,691 | 13,047 | 21,801 | ||
| R | 9,384 | 12,786 | 22,316 | ||
| D | 11,650 | 9,250 | 21,182 | ||
| D | 10,297 | 10,023 | 20,463 | ||
| D | 12,265 | 11,211 | 23,590 | ||
| D | 13,669 | 8,589 | 22,400 | ||
| D | 14,084 | 6,590 | 21,140 | ||
| R | 9,837 | 10,035 | 20,104 | ||
| D | 8,603 | 8,493 | 19,168 | ||
| R | 8,052 | 10,011 | 19,479 | ||
| D | 5,380 | 4,805 | 11,364 | ||
| D | 4,448 | 2,805 | 9,752 | ||
| D | 5,116 | 4,247 | 9,985 | ||
| R | 4,093 | 4,278 | 8,923 | ||
| D | 4,443 | 3,554 | 8,212 | ||
| D | 4,349 | 3,480 | 7,932 | ||
| D | 3,417 | 2,653 | 6,835 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
22.4%
English
11.6%
Irish
8.9%
American
7.7%
French
3.5%
Scottish
2.1%
Polish
1.5%
African American
1.4%
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: 39.0 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
$61,237
Knox County ranks near the middle of US counties.
Knox County$61,237
Indiana$71,957
United States$80,734
Knox 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
13.7%
Children face moderate poverty.
Children under 1815.2%
Working age (18–64)13.0%
Seniors (65+)15.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
96.0%
speak English only
Spanish2.0%
Asian & Pacific Islander1.1%
Other Indo-European0.9%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 55.7% of residents not counted as adherents by any reporting body.
Knox County, anchored by Vincennes on the Wabash River, swung to R+50.4 in 2024 — a margin typical of deep-rural southwestern Indiana, where manufacturing decline and agricultural identity have steadily reshaped the electorate over two decades.
The Republican margin here reached fifty points in 2024. Between 2020 and 2024 the county moved three points toward the Republican candidate; the 2024 margin was fifty points.
A population of 36,007, a 90% non-Hispanic-white share, and a median household income of $61,237 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Edgar County and Crawford 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.
Knox County, Indiana. Akashic. https://akashic.app/county/18083/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More farm belt counties
Frequently asked questions
How did Knox County, Indiana vote in 2024?
In 2024, Knox County, Indiana voted Republican by 50.3 points (R+50), carried by the Republican candidate. Out of 15,123 votes cast, 3,625 went Democratic and 11,236 went Republican.
What is Knox County, Indiana's political typology?
Akashic places Knox 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 16 times, Republican 18 times, and other 0 times.
When did Knox County, Indiana last vote Democratic?
The most recent presidential election in which Knox County, Indiana voted Democratic was 1996.
How many people live in Knox County, Indiana?
Knox County, Indiana has a population of 36,007 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Knox County, Indiana?
Median household income in Knox County, Indiana is $61,237 — below the national median of $80,734. The Indiana state median is $71,957.
What is the political history of Knox County, Indiana?
Akashic tracks 38 presidential elections in Knox County, Indiana from 1876 to 2024. Of those, 16 went Democratic and 18 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.