Kewaunee County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 52nd-largest in Wisconsin
The population of Kewaunee County, Wisconsin is 20,621 as of the 2023 American Community Survey, making it the 52nd-largest county in Wisconsin. The median household income is $80,085, the median home value is $208,900, and the median age is 44.4.
The population of Kewaunee County has grown 0.9% since 2010 (20,561 → 20,751), a +0.07% annualized rate.
20,621
Population
+0.07%
Annual growth
60
People / sq mi
$80,085
Median Income
$208,900
Median Home Value
Kewaunee County covers 342 sq mi of land at 60.2 people per square mile.
About Kewaunee County, WI
Kewaunee County is a county in Wisconsin with a population of 20,621. It ranks #52 among counties in Wisconsin by population. The median age is 44.4, older than the national median. The population is 51.0% male and 49.0% female.
The median household income in Kewaunee County is $80,085, above the US median of $74,580. 4.1% of residents live below the federal poverty level. Home values sit at a median of $208,900, with monthly rent averaging $839. The homeownership rate of 85.3% is higher than the national rate of 64.8%.
Educational attainment in Kewaunee County reflects 20.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.9 minutes each way.
Kewaunee County Population History (2010-2024)
The county of Kewaunee County had a population of 20,561 in 2010 and 20,751 in 2024, a 0.9% growth over 14 years. The peak was 20,751 in 2024. Average annual growth rate: 0.07%.
20,751
Population (2024)
20,561
Population (2010)
20,751
Peak (2024)
0.07%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 20,561 |
| 2011 | 20,556 |
| 2012 | 20,504 |
| 2013 | 20,374 |
| 2014 | 20,347 |
| 2015 | 20,329 |
| 2016 | 20,378 |
| 2017 | 20,406 |
| 2018 | 20,367 |
| 2019 | 20,451 |
| 2020 | 20,563 |
| 2021 | 20,593 |
| 2022 | 20,681 |
| 2023 | 20,733 |
| 2024 | 20,751 |
Race & Ethnicity
| White | 93.6% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
44.4
Median Age
49.0%
Female
51.0%
Male
21.5%
Age 65+
Age Distribution
Children (under 15): 16.8% · Seniors (65+): 21.5%
Income & Poverty
| Median household income | $80,085+$4,415 vs state |
| Mean household income | $94,566 |
| Per-capita income | $39,364 |
| Poverty rate | 4.1%-2.5% vs state |
| Unemployment rate | 1.0% |
| Employment-to-population | 63.5% |
Top Industries by Employment
The largest employment sector in Kewaunee County is professional & business services, accounting for 22.1% of workers.
How residents commute
0.2%
Drive alone
2.5%
Carpool
79.7%
Public transit
9.7%
Work from home
24.9 min
Avg commute
Housing
$208,900$-38,500 vs state
Median home value
$839
Median rent
85.3%
Homeownership rate
9,325
Total housing units
89.0%
Occupied
11.0%
Vacant
14.7%
Renter-occupied
Social & access
95.9%
With health insurance
90.8%
With broadband internet
11.7%
Foreign-born
7.1%
Veterans (18+)
12.0%
With a disability
95.5%
Speak language other than English at home
Education
93.6%
High School+
20.6%
Bachelor's+
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Frequently Asked Questions
Kewaunee County, Wisconsin has a population of 20,621 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 52nd-largest county in Wisconsin. Population density is 60 people per square mile.
The population of Kewaunee County has grown 0.9% since 2010 (20,561 → 20,751), a +0.07% annualized rate.
The median household income in Kewaunee County, Wisconsin is $80,085, with mean (average) household income of $94,566 and per-capita income of $39,364. 4.1% of residents live below the federal poverty level.
In Kewaunee County, the largest racial and ethnic groups are White (93.6%), Hispanic or Latino (1.2%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Kewaunee County, Wisconsin is 44.4 years. Residents are 49.0% female and 51.0% male.
The median home value in Kewaunee County is $208,900 and median monthly rent is $839. 85.3% of occupied housing units are owner-occupied. The county has 9,325 total housing units, 11.0% of which are vacant.
The largest employment sector in Kewaunee County, Wisconsin is professional, scientific, and management services, employing 22.1% of workers. The unemployment rate is 1.0%.
Milwaukee is among the largest cities associated with Kewaunee County, Wisconsin, with a population of 569,756.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.