Kewaunee County, Wisconsin: Heartland Swing county. In 2024, voted R+34%. Democratic peak: D+71 in 1932.
Key facts
- 2024 presidential margin
- R+34MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 20,6642024 5-year
- Median household income
- $82,7252024 5-year
- White (non-Hispanic)
- 92.6%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 4.1%2024 5-year
- Peak Democratic margin
- D+71 in 1932MIT Election Lab
- Peak Republican margin
- R+61 in 1920MIT Election Lab
- Most similar
- Barron County, WI · similarity 0.99
2024 results by precinct
2024 precinct map of Kewaunee CountyPrecinct-level 2024 presidential results for Kewaunee 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 | +58.9% |
| 1896 | −5.2% |
| 1900 | −0.6% |
| 1904 | −3.8% |
| 1908 | +4.1% |
| 1912 | +18.6% |
| 1916 | +28.8% |
| 1920 | −60.9% |
| 1924 | −14.6% |
| 1928 | +43.7% |
| 1932 | +70.6% |
| 1936 | +51.3% |
| 1940 | −6.5% |
| 1944 | −22.7% |
| 1948 | −13.9% |
| 1952 | −53.2% |
| 1956 | −36.5% |
| 1960 | +3.7% |
| 1964 | +23.3% |
| 1968 | −23.6% |
| 1972 | −17.2% |
| 1976 | +1.7% |
| 1980 | −19.1% |
| 1984 | −24.5% |
| 1988 | +5.0% |
| 1992 | +4.6% |
| 1996 | +9.7% |
| 2000 | −2.1% |
| 2004 | −7.1% |
| 2008 | +11.0% |
| 2012 | −5.4% |
| 2016 | −27.8% |
| 2020 | −32.7% |
| 2024 | −33.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 4,059 | 8,267 | 12,484 | ||
| R | 3,976 | 7,927 | 12,095 | ||
| R | 3,627 | 6,618 | 10,767 | ||
| R | 5,153 | 5,747 | 11,037 | ||
| D | 5,902 | 4,711 | 10,787 | ||
| R | 5,175 | 5,970 | 11,273 | ||
| R | 4,670 | 4,883 | 10,084 | ||
| D | 4,311 | 3,431 | 9,046 | ||
| D | 4,050 | 3,570 | 10,377 | ||
| D | 4,786 | 4,330 | 9,179 | ||
| R | 3,444 | 5,705 | 9,210 | ||
| R | 3,706 | 5,577 | 9,775 | ||
| D | 4,607 | 4,447 | 9,279 | ||
| R | 3,360 | 4,802 | 8,403 | ||
| R | 2,622 | 4,467 | 7,802 | ||
| D | 4,792 | 2,980 | 7,780 | ||
| D | 4,256 | 3,950 | 8,213 | ||
| R | 2,364 | 5,106 | 7,509 | ||
| R | 1,972 | 6,482 | 8,482 | ||
| R | 2,746 | 3,646 | 6,478 | ||
| R | 2,611 | 4,153 | 6,780 | ||
| R | 3,389 | 3,862 | 7,272 | ||
| D | 4,971 | 1,527 | 6,717 | ||
| D | 5,200 | 879 | 6,122 | ||
| D | 3,988 | 1,556 | 5,569 | ||
| O | 395 | 1,018 | 4,260 | ||
| R | 598 | 2,622 | 3,326 | ||
| D | 2,011 | 1,104 | 3,148 | ||
| D | 1,696 | 1,115 | 3,122 | ||
| D | 1,731 | 1,590 | 3,421 | ||
| R | 1,457 | 1,578 | 3,174 | ||
| R | 1,729 | 1,750 | 3,513 | ||
| R | 1,649 | 1,835 | 3,590 | ||
| D | 2,046 | 518 | 2,595 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
36.8%
Polish
8.1%
Irish
6.4%
American
5.3%
English
2.8%
French
1.9%
Italian
1.5%
Sample size too small to break out by ancestry reliably.
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: 44.6 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
$82,725
Kewaunee County ranks in the top 25% of US counties.
Kewaunee County$82,725
Wisconsin$77,485
United States$80,734
Kewaunee County ranks in the top 25% 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
7.6%
Child poverty is below the national average.
Children under 188.1%
Working age (18–64)6.8%
Seniors (65+)12.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
95.3%
speak English only
Spanish3.3%
Other Indo-European0.9%
Asian & Pacific Islander0.4%
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 33.7% of residents not counted as adherents by any reporting body.
Kewaunee's roughly 20,000 residents are concentrated in small farming and fishing communities along Lake Michigan, and the county has shifted dramatically toward Republicans over the past decade, posting a 33-point margin in 2024.
The Democratic margin here peaked at seventy-one points in 1932. Between 2020 and 2024 the county moved one point toward the Republican candidate; the 2024 margin was thirty-four points.
A population of 20,664, a 93% non-Hispanic-white share, and a median household income of $82,725 describe the county. The county's voting pattern over the last decade is most similar to that of Barron County and Clark 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.
Kewaunee County, Wisconsin. Akashic. https://akashic.app/county/55061/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More heartland swing counties
Frequently asked questions
How did Kewaunee County, Wisconsin vote in 2024?
In 2024, Kewaunee County, Wisconsin voted Republican by 33.7 points (R+34), carried by the Republican candidate. Out of 12,484 votes cast, 4,059 went Democratic and 8,267 went Republican.
What is Kewaunee County, Wisconsin's political typology?
Akashic places Kewaunee County, Wisconsin 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 14 times, Republican 19 times, and other 1 times.
When did Kewaunee County, Wisconsin last vote Democratic?
The most recent presidential election in which Kewaunee County, Wisconsin voted Democratic was 2008.
How many people live in Kewaunee County, Wisconsin?
Kewaunee County, Wisconsin has a population of 20,664 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Kewaunee County, Wisconsin?
Median household income in Kewaunee County, Wisconsin is $82,725 — above the national median of $80,734. The Wisconsin state median is $77,485.
What is the political history of Kewaunee County, Wisconsin?
Akashic tracks 38 presidential elections in Kewaunee County, Wisconsin from 1876 to 2024. Of those, 14 went Democratic and 19 went Republican. The county's typology — "Heartland Swing" — captures where that record, its demographics, and its recent swing place it among American communities.