Dunn County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 32nd-largest in Wisconsin
The population of Dunn County, Wisconsin is 45,349 as of the 2023 American Community Survey, making it the 32nd-largest county in Wisconsin. The median household income is $71,785, the median home value is $226,200, and the median age is 35.8.
The population of Dunn County has grown 5.1% since 2010 (43,888 → 46,135), a +0.36% annualized rate.
45,349
Population
+0.36%
Annual growth
53
People / sq mi
$71,785
Median Income
$226,200
Median Home Value
Dunn County covers 850 sq mi of land at 53.3 people per square mile.
About Dunn County, WI
Dunn County is a county in Wisconsin with a population of 45,349. It ranks #32 among counties in Wisconsin by population. The median age is 35.8, younger than the national median. The population is 50.7% male and 49.3% female.
The median household income in Dunn County is $71,785, near the US median of $74,580. 5.7% of residents live below the federal poverty level. Home values sit at a median of $226,200, with monthly rent averaging $942. The homeownership rate of 66.5% is close to the national rate of 64.8%.
Educational attainment in Dunn County reflects 29.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.4 minutes each way.
Dunn County Population History (2010-2024)
The county of Dunn County had a population of 43,888 in 2010 and 46,135 in 2024, a 5.1% growth over 14 years. The peak was 46,135 in 2024. Average annual growth rate: 0.36%.
46,135
Population (2024)
43,888
Population (2010)
46,135
Peak (2024)
0.36%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 43,888 |
| 2011 | 43,808 |
| 2012 | 43,818 |
| 2013 | 44,064 |
| 2014 | 44,100 |
| 2015 | 44,300 |
| 2016 | 44,389 |
| 2017 | 44,784 |
| 2018 | 45,135 |
| 2019 | 45,384 |
| 2020 | 45,453 |
| 2021 | 44,543 |
| 2022 | 45,676 |
| 2023 | 45,827 |
| 2024 | 46,135 |
Race & Ethnicity
| White | 91.9% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
35.8
Median Age
49.3%
Female
50.7%
Male
16.3%
Age 65+
Age Distribution
Children (under 15): 16.0% · Seniors (65+): 16.3%
Income & Poverty
| Median household income | $71,785$-3,885 vs state |
| Mean household income | $88,965 |
| Per-capita income | $36,207 |
| Poverty rate | 5.7%-0.9% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 64.5% |
Top Industries by Employment
The largest employment sector in Dunn County is professional & business services, accounting for 23.9% of workers.
How residents commute
0.2%
Drive alone
5.5%
Carpool
78.7%
Public transit
8.8%
Work from home
23.4 min
Avg commute
Housing
$226,200$-21,200 vs state
Median home value
$942
Median rent
66.5%
Homeownership rate
18,812
Total housing units
92.3%
Occupied
7.7%
Vacant
33.5%
Renter-occupied
Social & access
95.1%
With health insurance
94.4%
With broadband internet
28.2%
Foreign-born
5.8%
Veterans (18+)
13.0%
With a disability
95.3%
Speak language other than English at home
Education
94.4%
High School+
29.2%
Bachelor's+
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Frequently Asked Questions
Dunn County, Wisconsin has a population of 45,349 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 32nd-largest county in Wisconsin. Population density is 53 people per square mile.
The population of Dunn County has grown 5.1% since 2010 (43,888 → 46,135), a +0.36% annualized rate.
The median household income in Dunn County, Wisconsin is $71,785, with mean (average) household income of $88,965 and per-capita income of $36,207. 5.7% of residents live below the federal poverty level.
In Dunn County, the largest racial and ethnic groups are White (91.9%), Hispanic or Latino (1.0%), Black or African American (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Dunn County, Wisconsin is 35.8 years. Residents are 49.3% female and 50.7% male.
The median home value in Dunn County is $226,200 and median monthly rent is $942. 66.5% of occupied housing units are owner-occupied. The county has 18,812 total housing units, 7.7% of which are vacant.
The largest employment sector in Dunn County, Wisconsin is professional, scientific, and management services, employing 23.9% of workers. The unemployment rate is 2.8%.
Milwaukee is among the largest cities associated with Dunn 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.