Demographics of Oneida County, Wisconsin

Oneida County, Wisconsin had 38,131 people on July 1, 2025, by the Census Bureau’s estimate: +267 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.

Oneida County, in four figures

38,131
Population: July 1, 2025, Vintage 2025 estimate.; +0.7%
Change since July 2020: +267 people.; 52.7 ±0.4
Median age: ACS 2020–⁠2024.; $69,371 ±$3,157
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.

Oneida County, Wisconsin's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Oneida 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

Oneida County, Wisconsin's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Oneida 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	37,864	100.0	100.0
2021	38,298	101.1	100.2
2022	38,225	101.0	100.7
2023	38,156	100.8	101.6
2024	38,175	100.8	102.5
2025	38,131	100.7	103.1

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Population of Oneida 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	37,864	+24	−65	0	+93
2021	38,298	+434	−324	+4	+783
2022	38,225	−73	−292	+12	+213
2023	38,156	−69	−272	+20	+188
2024	38,175	+19	−245	+20	+248
2025	38,131	−44	−252	+13	+198

Age, 2020–2024

The median age is 52.7 ±0.4: for men 51.5 ±0.5 and for women 53.8 ±0.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Oneida County by age, ACS 2020–2024
Age	People	Share	Wisconsin	United States
Under 5	1,521 ±74	4.0% ±0.2	5.3% ±<0.1	5.6% ±<0.1
5 to 17	4,855 ±244	12.7% ±0.6	16.0% ±0.1	16.3% ±<0.1
18 to 24	2,145 ±219	5.6% ±0.6	9.3% ±0.1	9.1% ±<0.1
25 to 44	7,396 ±276	19.4% ±0.7	25.2% ±0.1	26.9% ±<0.1
45 to 64	11,450 ±410	30.0% ±1.1	25.6% ±0.1	24.8% ±<0.1
65 and over	10,800 ±490	28.3% ±1.3	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $69,371 ±$3,157, and income per person $42,684 ±$1,663, 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 Oneida County by income, ACS 2020–2024
Household income	Households	Share	Wisconsin	United States
Under $25,000	2,504 ±302	14.3% ±1.7	13.1% ±0.2	14.6% ±<0.1
$25,000 to $49,999	3,661 ±393	20.9% ±2.2	17.9% ±0.2	16.7% ±<0.1
$50,000 to $74,999	3,394 ±330	19.4% ±1.8	17.5% ±0.2	15.5% ±<0.1
$75,000 to $99,999	2,241 ±256	12.8% ±1.4	13.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	3,273 ±273	18.7% ±1.5	19.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,272 ±216	7.3% ±1.2	9.4% ±0.1	9.6% ±<0.1
$200,000 or more	1,148 ±153	6.6% ±0.9	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 Oneida County by age, ACS 2020–2024
Age	Below poverty	Rate	Wisconsin	United States
All ages	3,213 ±496	8.5% ±1.3	10.6% ±0.1	12.5% ±0.1
Under 18	483 ±153	7.7% ±2.4	12.8% ±0.3	16.1% ±0.1
18 to 59	1,714 ±334	10.2% ±2.0	10.3% ±0.2	11.6% ±0.1
60 and over	1,016 ±179	7.0% ±1.2	9.3% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Oneida County, ACS 2020–2024
Measure	Oneida County	Wisconsin	United States
Housing units	30,814 ±52	2,778,572 ±1,533	143,775,355 ±10,234
Occupied	56.8% ±1.5	89.2% ±0.2	89.9% ±0.1
Vacant	43.2% ±1.5	10.8% ±0.2	10.1% ±0.1
Owner occupied	82.3% ±1.0	67.8% ±0.3	65.2% ±0.3
Renter occupied	17.7% ±1.9	32.2% ±0.2	34.8% ±0.1
Median home value	$238,400 ±$6,135	$266,500 ±$1,051	$332,700 ±$236
Median gross rent	$885 ±$52	$1,087 ±$4	$1,413 ±$2
Median year built	1980 ±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 Oneida County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Wisconsin	United States
Hispanic or Latino	654 ±0	1.7% ±<0.1	8.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	35,631 ±135	93.4% ±0.4	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	183 ±76	0.5% ±0.2	5.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	178 ±59	0.5% ±0.2	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	138 to 428	0.4% to 1.1%	0.5% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 23	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	9 to 105	< 0.1% to 0.3%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,172 ±206	3.1% ±0.5	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 Oneida County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Wisconsin	United States
Born in the state	28,020 ±723	73.4% ±1.9	70.3% ±0.1	57.3% ±<0.1
Born in another state	9,398 ±730	24.6% ±1.9	23.6% ±0.1	26.9% ±<0.1
Born a citizen outside the states	182 ±78	0.5% ±0.2	0.9% ±<0.1	1.7% ±<0.1
Born abroad	567 ±114	1.5% ±0.3	5.2% ±0.1	14.1% ±<0.1
Naturalized citizens	286 ±100	0.7% ±0.3	2.5% ±0.1	7.4% ±<0.1
Not citizens	281 ±87	0.7% ±0.2	2.7% ±0.1	6.8% ±<0.1

Oneida County among the counties of Wisconsin

39th of 72 by population, July 2025. Every one is listed on the Wisconsin page.

Counties of Wisconsin near Oneida County in population, July 2025
County	July 2025	Change since 2020
Douglas County	43,990	−0.8%
Pierce County	43,519	+3.1%
Marinette County	42,574	+1.6%
Shawano County	41,560	+1.7%
Oconto County	40,195	+2.9%
Oneida County	38,131	+0.7%
Green County	37,227	+0.5%
Clark County	35,052	+1.2%
Vernon County	31,443	+2.4%
Trempealeau County	31,171	+1.1%
Door County	30,616	+1.6%

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