Demographics of Winnebago County, Wisconsin

Winnebago County, Wisconsin had 174,218 people on July 1, 2025, by the Census Bureau’s estimate: +2,385 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Winnebago County, in four figures

174,218
Population: July 1, 2025, Vintage 2025 estimate.; +1.4%
Change since July 2020: +2,385 people.; 38.7 ±0.2
Median age: ACS 2020–⁠2024.; $74,925 ±$1,498
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Winnebago County, Wisconsin's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Winnebago County, Wisconsin's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Winnebago County, Wisconsin's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Winnebago County, Wisconsin's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	171,833	100.0	100.0
2021	170,651	99.3	100.2
2022	170,984	99.5	100.7
2023	172,118	100.2	101.6
2024	173,294	100.9	102.5
2025	174,218	101.4	103.1

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Population of Winnebago County, Wisconsin on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	171,833	+93	+52	+1	−22
2021	170,651	−1,182	−89	+79	−1,225
2022	170,984	+333	−188	+403	+221
2023	172,118	+1,134	+45	+317	+802
2024	173,294	+1,176	+22	+380	+775
2025	174,218	+924	+18	+194	+702

Age, 2020–2024

The median age is 38.7 ±0.2: for men 38.0 ±0.3 and for women 39.7 ±0.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Winnebago County by age, ACS 2020–2024
Age	People	Share	Wisconsin	United States
Under 5	8,768 ±119	5.1% ±0.1	5.3% ±<0.1	5.6% ±<0.1
5 to 17	25,926 ±790	15.1% ±0.5	16.0% ±0.1	16.3% ±<0.1
18 to 24	19,482 ±796	11.3% ±0.5	9.3% ±0.1	9.1% ±<0.1
25 to 44	44,756 ±738	26.1% ±0.4	25.2% ±0.1	26.9% ±<0.1
45 to 64	42,943 ±833	25.0% ±0.5	25.6% ±0.1	24.8% ±<0.1
65 and over	29,894 ±992	17.4% ±0.6	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $74,925 ±$1,498, and income per person $40,938 ±$793, in 2024 dollars. The median is $77,485 ±$455 in Wisconsin and $80,734 ±$166 in the United States.

Households by income

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Households in Winnebago County by income, ACS 2020–2024
Household income	Households	Share	Wisconsin	United States
Under $25,000	9,083 ±725	12.5% ±1.0	13.1% ±0.2	14.6% ±<0.1
$25,000 to $49,999	14,220 ±938	19.6% ±1.3	17.9% ±0.2	16.7% ±<0.1
$50,000 to $74,999	13,069 ±734	18.0% ±1.0	17.5% ±0.2	15.5% ±<0.1
$75,000 to $99,999	10,416 ±637	14.3% ±0.9	13.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	14,633 ±848	20.1% ±1.2	19.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	5,790 ±558	8.0% ±0.8	9.4% ±0.1	9.6% ±<0.1
$200,000 or more	5,456 ±459	7.5% ±0.6	9.2% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Winnebago County by age, ACS 2020–2024
Age	Below poverty	Rate	Wisconsin	United States
All ages	18,699 ±1,420	11.3% ±0.9	10.6% ±0.1	12.5% ±0.1
Under 18	4,955 ±620	14.6% ±1.8	12.8% ±0.3	16.1% ±0.1
18 to 59	10,386 ±922	11.5% ±1.0	10.3% ±0.2	11.6% ±0.1
60 and over	3,358 ±455	8.3% ±1.1	9.3% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Winnebago County, ACS 2020–2024
Measure	Winnebago County	Wisconsin	United States
Housing units	77,318 ±79	2,778,572 ±1,533	143,775,355 ±10,234
Occupied	94.0% ±0.6	89.2% ±0.2	89.9% ±0.1
Vacant	6.0% ±0.6	10.8% ±0.2	10.1% ±0.1
Owner occupied	65.8% ±1.1	67.8% ±0.3	65.2% ±0.3
Renter occupied	34.2% ±1.2	32.2% ±0.2	34.8% ±0.1
Median home value	$225,800 ±$3,761	$266,500 ±$1,051	$332,700 ±$236
Median gross rent	$965 ±$17	$1,087 ±$4	$1,413 ±$2
Median year built	1975 ±1	1975 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Winnebago County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Wisconsin	United States
Hispanic or Latino	8,736 ±0	5.1% ±<0.1	8.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	145,904 ±696	84.9% ±0.4	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	4,642 ±345	2.7% ±0.2	5.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	5,525 ±328	3.2% ±0.2	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	446 ±89	0.3% ±0.1	0.5% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 139	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	643 ±227	0.4% ±0.1	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	5,807 ±730	3.4% ±0.4	3.7% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Winnebago County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Wisconsin	United States
Born in the state	132,524 ±1,358	77.2% ±0.8	70.3% ±0.1	57.3% ±<0.1
Born in another state	31,989 ±1,283	18.6% ±0.7	23.6% ±0.1	26.9% ±<0.1
Born a citizen outside the states	1,328 ±322	0.8% ±0.2	0.9% ±<0.1	1.7% ±<0.1
Born abroad	5,928 ±654	3.5% ±0.4	5.2% ±0.1	14.1% ±<0.1
Naturalized citizens	3,038 ±411	1.8% ±0.2	2.5% ±0.1	7.4% ±<0.1
Not citizens	2,890 ±480	1.7% ±0.3	2.7% ±0.1	6.8% ±<0.1

Winnebago County among the counties of Wisconsin

7th of 72 by population, July 2025. Every one is listed on the Wisconsin page.

Counties of Wisconsin near Winnebago County in population, July 2025
County	July 2025	Change since 2020
Dane County	590,375	+4.9%
Waukesha County	417,210	+2.4%
Brown County	275,803	+2.5%
Racine County	198,919	+0.4%
Outagamie County	195,894	+2.6%
Winnebago County	174,218	+1.4%
Kenosha County	168,448	−0.4%
Rock County	166,472	+1.7%
Marathon County	139,432	+1.0%
Washington County	139,238	+1.8%
La Crosse County	121,339	+0.3%

Elsewhere on the site

Rankings this appears in

No. 7 Counties by population in Wisconsin
No. 34 Counties by population growth in Wisconsin

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026