Demographics of Brown County, Wisconsin

Brown County, Wisconsin had 275,803 people on July 1, 2025, by the Census Bureau’s estimate: +6,851 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.

Brown County, in four figures

275,803
Population: July 1, 2025, Vintage 2025 estimate.; +2.5%
Change since July 2020: +6,851 people.; 38.2 ±0.2
Median age: ACS 2020–⁠2024.; $79,649 ±$1,435
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.

Brown County, Wisconsin's population grew 2.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Brown 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).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Brown County, Wisconsin's population grew 2.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Brown 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	268,952	100.0	100.0
2021	268,971	100.0	100.2
2022	270,667	100.6	100.7
2023	272,238	101.2	101.6
2024	274,251	102.0	102.5
2025	275,803	102.5	103.1

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Population of Brown 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	268,952	+216	+188	+7	−52
2021	268,971	+19	+562	+140	−866
2022	270,667	+1,696	+536	+880	+440
2023	272,238	+1,571	+642	+782	+203
2024	274,251	+2,013	+693	+1,077	+258
2025	275,803	+1,552	+660	+392	+473

Age, 2020–2024

The median age is 38.2 ±0.2: for men 37.3 ±0.2 and for women 39.1 ±0.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Brown County by age, ACS 2020–2024
Age	People	Share	Wisconsin	United States
Under 5	15,568 ±5	5.7% ±<0.1	5.3% ±<0.1	5.6% ±<0.1
5 to 17	46,692 ±1,122	17.2% ±0.4	16.0% ±0.1	16.3% ±<0.1
18 to 24	25,027 ±809	9.2% ±0.3	9.3% ±0.1	9.1% ±<0.1
25 to 44	71,882 ±1,049	26.5% ±0.4	25.2% ±0.1	26.9% ±<0.1
45 to 64	67,399 ±1,111	24.9% ±0.4	25.6% ±0.1	24.8% ±<0.1
65 and over	44,324 ±1,559	16.4% ±0.6	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $79,649 ±$1,435, and income per person $42,366 ±$1,013, 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 Brown County by income, ACS 2020–2024
Household income	Households	Share	Wisconsin	United States
Under $25,000	13,221 ±953	11.9% ±0.9	13.1% ±0.2	14.6% ±<0.1
$25,000 to $49,999	19,781 ±1,170	17.8% ±1.0	17.9% ±0.2	16.7% ±<0.1
$50,000 to $74,999	18,905 ±1,243	17.0% ±1.1	17.5% ±0.2	15.5% ±<0.1
$75,000 to $99,999	16,680 ±997	15.0% ±0.9	13.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	22,167 ±1,241	20.0% ±1.1	19.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	10,187 ±797	9.2% ±0.7	9.4% ±0.1	9.6% ±<0.1
$200,000 or more	9,992 ±880	9.0% ±0.8	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 Brown County by age, ACS 2020–2024
Age	Below poverty	Rate	Wisconsin	United States
All ages	23,900 ±1,778	9.1% ±0.7	10.6% ±0.1	12.5% ±0.1
Under 18	6,478 ±794	10.6% ±1.3	12.8% ±0.3	16.1% ±0.1
18 to 59	12,104 ±1,128	8.5% ±0.8	10.3% ±0.2	11.6% ±0.1
60 and over	5,318 ±596	8.8% ±1.0	9.3% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Brown County, ACS 2020–2024
Measure	Brown County	Wisconsin	United States
Housing units	115,493 ±140	2,778,572 ±1,533	143,775,355 ±10,234
Occupied	96.1% ±0.5	89.2% ±0.2	89.9% ±0.1
Vacant	3.9% ±0.6	10.8% ±0.2	10.1% ±0.1
Owner occupied	66.0% ±1.2	67.8% ±0.3	65.2% ±0.3
Renter occupied	34.0% ±1.2	32.2% ±0.2	34.8% ±0.1
Median home value	$266,000 ±$5,230	$266,500 ±$1,051	$332,700 ±$236
Median gross rent	$1,031 ±$17	$1,087 ±$4	$1,413 ±$2
Median year built	1981 ±2	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 Brown County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Wisconsin	United States
Hispanic or Latino	27,824 ±0	10.3% ±<0.1	8.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	209,400 ±759	77.3% ±0.3	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	6,527 ±639	2.4% ±0.2	5.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	8,982 ±469	3.3% ±0.2	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	4,110 ±429	1.5% ±0.2	0.5% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	23 to 151	< 0.1% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1,032 ±509	0.4% ±0.2	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	12,930 ±1,077	4.8% ±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 Brown County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Wisconsin	United States
Born in the state	202,446 ±2,243	74.7% ±0.8	70.3% ±0.1	57.3% ±<0.1
Born in another state	50,578 ±2,078	18.7% ±0.8	23.6% ±0.1	26.9% ±<0.1
Born a citizen outside the states	3,191 ±582	1.2% ±0.2	0.9% ±<0.1	1.7% ±<0.1
Born abroad	14,677 ±882	5.4% ±0.3	5.2% ±0.1	14.1% ±<0.1
Naturalized citizens	6,142 ±642	2.3% ±0.2	2.5% ±0.1	7.4% ±<0.1
Not citizens	8,535 ±899	3.2% ±0.3	2.7% ±0.1	6.8% ±<0.1

Brown County among the counties of Wisconsin

4th of 72 by population, July 2025. Every one is listed on the Wisconsin page.

Counties of Wisconsin near Brown County in population, July 2025
County	July 2025	Change since 2020
Milwaukee County	924,216	−1.5%
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%

Elsewhere on the site

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

Data retrieved September 25, 2026