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
Homeownership is the standout figure in Kewaunee County: 85.3% of homes are owner-occupied, higher than the national rate. Kewaunee County is a county in Wisconsin with a population of 20,621.
Median household income is $80,085, near the US median of $78,538. Very few residents live in poverty — 4.1%, below the national 12.4%. Homes carry a median value of $208,900, with typical rent around $839.
20.6% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 9.7%, and the average commute runs about 25 minutes each way.
The ownership rate anchors the housing story in Kewaunee County, and tends to move with the age structure and home-value figures above.
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+
Largest cities in Wisconsin
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County rankings
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.
Kewaunee County, WI Climate
Kewaunee County, WI has an average annual temperature of 6.9°C (44°F) and receives about 780 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
6.9°C
Avg Temp
780
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -8° / 18° | 38 mm |
| February | -6° / 22° | 31 mm |
| March | 0° / 31° | 53 mm |
| April | 6° / 42° | 72 mm |
| May | 12° / 53° | 77 mm |
| June | 17° / 63° | 84 mm |
| July | 20° / 69° | 80 mm |
| August | 20° / 67° | 87 mm |
| September | 15° / 60° | 90 mm |
| October | 9° / 48° | 63 mm |
| November | 2° / 36° | 60 mm |
| December | -4° / 24° | 45 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Kewaunee County, WI
The most comfortable months to visit Kewaunee County, WI are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 26°C high). The coldest is January (near -12°C low). September is usually the wettest month.
Where to stay near Kewaunee County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.