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 skews on age — the median resident is 35.8, younger than the national median. Dunn County is a county in Wisconsin with a population of 45,349. It ranks #32 among counties in Wisconsin by population.
Median household income is $71,785, below the US median of $78,538. Only 5.7% of residents live in poverty, below the national 12.4%. The median home value is $226,200, with typical rent around $942.
College attainment is above the local norm at 29.2%, below the national 35.0%. Remote work is below the national 14.0% at 8.8%, and the average commute runs about 23 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+
Largest cities in Wisconsin
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County rankings
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.
Dunn County, WI Climate
Dunn County, WI has an average annual temperature of 6.6°C (44°F) and receives about 812 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
6.6°C
Avg Temp
812
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -11° / 12° | 27 mm |
| February | -7° / 19° | 20 mm |
| March | -1° / 31° | 48 mm |
| April | 7° / 45° | 71 mm |
| May | 14° / 58° | 91 mm |
| June | 19° / 66° | 112 mm |
| July | 22° / 71° | 98 mm |
| August | 20° / 68° | 106 mm |
| September | 15° / 59° | 100 mm |
| October | 9° / 48° | 64 mm |
| November | 0° / 32° | 43 mm |
| December | -8° / 18° | 32 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 Dunn County, WI
The most comfortable months to visit Dunn County, WI are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -17°C low). June is usually the wettest month.
Where to stay near Dunn County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.