Winnebago County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 7th-largest in Wisconsin
The population of Winnebago County, Wisconsin is 171,357 as of the 2023 American Community Survey, making it the 7th-largest county in Wisconsin. The median household income is $72,873, the median home value is $208,600, and the median age is 38.4.
The population of Winnebago County has grown 3.7% since 2010 (167,144 → 173,307), a +0.26% annualized rate.
171,357
Population
+0.26%
Annual growth
394
People / sq mi
$72,873
Median Income
$208,600
Median Home Value
Winnebago County covers 435 sq mi of land at 394.2 people per square mile.
About Winnebago County, WI
What distinguishes Winnebago County is density: among the most densely settled of US counties, around 394 people per square mile. Winnebago County is a county in Wisconsin with a population of 171,357. It is the #7-largest of all counties in Wisconsin nationally.
The typical household earns $72,873 a year, below the US median of $78,538. Poverty is relatively low for US counties at 5.2%, below the national 12.4%. Homes carry a median value of $208,600, with typical rent around $924.
College attainment is above the local norm at 31.0%, below the national 35.0%. Remote work is on the higher side at 10.4%, below the national 14.0%, and the average commute runs about 19 minutes each way.
That density explains much of the rest of the profile in Winnebago County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Winnebago County Population History (2010-2024)
The county of Winnebago County had a population of 167,144 in 2010 and 173,307 in 2024, a 3.7% growth over 14 years. The peak was 173,307 in 2024. Average annual growth rate: 0.26%.
173,307
Population (2024)
167,144
Population (2010)
173,307
Peak (2024)
0.26%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 167,144 |
| 2011 | 167,579 |
| 2012 | 168,623 |
| 2013 | 169,388 |
| 2014 | 169,445 |
| 2015 | 169,383 |
| 2016 | 169,809 |
| 2017 | 170,568 |
| 2018 | 170,811 |
| 2019 | 171,801 |
| 2020 | 171,796 |
| 2021 | 170,590 |
| 2022 | 171,049 |
| 2023 | 172,105 |
| 2024 | 173,307 |
Race & Ethnicity
| White | 87.8% |
| Black or African American | 2.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Age & Sex
38.4
Median Age
49.2%
Female
50.8%
Male
17.1%
Age 65+
Age Distribution
Children (under 15): 16.7% · Seniors (65+): 17.1%
Income & Poverty
| Median household income | $72,873$-2,797 vs state |
| Mean household income | $92,895 |
| Per-capita income | $40,072 |
| Poverty rate | 5.2%-1.4% vs state |
| Unemployment rate | 1.5% |
| Employment-to-population | 64.9% |
Top Industries by Employment
The largest employment sector in Winnebago County is manufacturing, accounting for 24.2% of workers.
How residents commute
0.6%
Drive alone
2.2%
Carpool
77.8%
Public transit
10.4%
Work from home
18.8 min
Avg commute
Housing
$208,600$-38,800 vs state
Median home value
$924
Median rent
65.8%
Homeownership rate
76,770
Total housing units
93.7%
Occupied
6.3%
Vacant
34.2%
Renter-occupied
Social & access
95.2%
With health insurance
94.9%
With broadband internet
18.1%
Foreign-born
7.1%
Veterans (18+)
12.7%
With a disability
94.3%
Speak language other than English at home
Education
94.5%
High School+
31.0%
Bachelor's+
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Frequently Asked Questions
Winnebago County, Wisconsin has a population of 171,357 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 7th-largest county in Wisconsin. Population density is 394 people per square mile.
The population of Winnebago County has grown 3.7% since 2010 (167,144 → 173,307), a +0.26% annualized rate.
The median household income in Winnebago County, Wisconsin is $72,873, with mean (average) household income of $92,895 and per-capita income of $40,072. 5.2% of residents live below the federal poverty level.
In Winnebago County, the largest racial and ethnic groups are White (87.8%), Black or African American (2.6%), Hispanic or Latino (1.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Winnebago County, Wisconsin is 38.4 years. Residents are 49.2% female and 50.8% male.
The median home value in Winnebago County is $208,600 and median monthly rent is $924. 65.8% of occupied housing units are owner-occupied. The county has 76,770 total housing units, 6.3% of which are vacant.
The largest employment sector in Winnebago County, Wisconsin is manufacturing, employing 24.2% of workers. The unemployment rate is 1.5%.
Milwaukee is among the largest cities associated with Winnebago County, Wisconsin, with a population of 569,756.
Winnebago County, WI Climate
Winnebago County, WI has an average annual temperature of 7.2°C (45°F) and receives about 782 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7.2°C
Avg Temp
782
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -9° / 16° | 32 mm |
| February | -6° / 21° | 26 mm |
| March | -1° / 31° | 50 mm |
| April | 7° / 44° | 71 mm |
| May | 14° / 57° | 82 mm |
| June | 19° / 66° | 88 mm |
| July | 22° / 71° | 90 mm |
| August | 20° / 69° | 99 mm |
| September | 16° / 60° | 90 mm |
| October | 9° / 49° | 59 mm |
| November | 2° / 35° | 57 mm |
| December | -6° / 22° | 38 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 Winnebago County, WI
The most comfortable months to visit Winnebago 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 -14°C low). August is usually the wettest month.
Where to stay near Winnebago County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.