Oneida County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 39th-largest in Wisconsin
The population of Oneida County, Wisconsin is 38,007 as of the 2023 American Community Survey, making it the 39th-largest county in Wisconsin. The median household income is $69,621, the median home value is $227,500, and the median age is 52.2.
The population of Oneida County has grown 6.2% since 2010 (35,949 → 38,175), a +0.43% annualized rate.
38,007
Population
+0.43%
Annual growth
34
People / sq mi
$69,621
Median Income
$227,500
Median Home Value
Oneida County covers 1,114 sq mi of land at 34.1 people per square mile.
About Oneida County, WI
Oneida County is a county in Wisconsin with a population of 38,007. It ranks #39 among counties in Wisconsin by population. The median age is 52.2, older than the national median. The population is 50.8% male and 49.2% female.
The median household income in Oneida County is $69,621, below the US median of $74,580. 4.4% of residents live below the federal poverty level. Home values sit at a median of $227,500, with monthly rent averaging $868. The homeownership rate of 84.0% is higher than the national rate of 64.8%.
Educational attainment in Oneida County reflects 28.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.1 minutes each way.
Oneida County Population History (2010-2024)
The county of Oneida County had a population of 35,949 in 2010 and 38,175 in 2024, a 6.2% growth over 14 years. The peak was 38,329 in 2021. Average annual growth rate: 0.44%.
38,175
Population (2024)
35,949
Population (2010)
38,329
Peak (2021)
0.44%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 35,949 |
| 2011 | 35,795 |
| 2012 | 35,679 |
| 2013 | 35,562 |
| 2014 | 35,330 |
| 2015 | 35,307 |
| 2016 | 35,358 |
| 2017 | 35,237 |
| 2018 | 35,449 |
| 2019 | 35,607 |
| 2020 | 37,877 |
| 2021 | 38,329 |
| 2022 | 38,267 |
| 2023 | 38,189 |
| 2024 | 38,175 |
Race & Ethnicity
| White | 94.0% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
52.2
Median Age
49.2%
Female
50.8%
Male
27.5%
Age 65+
Age Distribution
Children (under 15): 13.8% · Seniors (65+): 27.5%
Income & Poverty
| Median household income | $69,621$-6,049 vs state |
| Mean household income | $89,854 |
| Per-capita income | $41,160 |
| Poverty rate | 4.4%-2.2% vs state |
| Unemployment rate | 1.2% |
| Employment-to-population | 53.5% |
Top Industries by Employment
The largest employment sector in Oneida County is professional & business services, accounting for 22.0% of workers.
How residents commute
0.1%
Drive alone
2.4%
Carpool
78.3%
Public transit
8.5%
Work from home
21.1 min
Avg commute
Housing
$227,500$-19,900 vs state
Median home value
$868
Median rent
84.0%
Homeownership rate
30,746
Total housing units
54.6%
Occupied
45.4%
Vacant
16.0%
Renter-occupied
Social & access
95.2%
With health insurance
93.1%
With broadband internet
23.9%
Foreign-born
9.0%
Veterans (18+)
14.7%
With a disability
98.2%
Speak language other than English at home
Education
95.7%
High School+
28.4%
Bachelor's+
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County rankings
Frequently Asked Questions
Oneida County, Wisconsin has a population of 38,007 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest county in Wisconsin. Population density is 34 people per square mile.
The population of Oneida County has grown 6.2% since 2010 (35,949 → 38,175), a +0.43% annualized rate.
The median household income in Oneida County, Wisconsin is $69,621, with mean (average) household income of $89,854 and per-capita income of $41,160. 4.4% of residents live below the federal poverty level.
In Oneida County, the largest racial and ethnic groups are White (94.0%), Hispanic or Latino (1.9%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Oneida County, Wisconsin is 52.2 years. Residents are 49.2% female and 50.8% male.
The median home value in Oneida County is $227,500 and median monthly rent is $868. 84.0% of occupied housing units are owner-occupied. The county has 30,746 total housing units, 45.4% of which are vacant.
The largest employment sector in Oneida County, Wisconsin is professional, scientific, and management services, employing 22.0% of workers. The unemployment rate is 1.2%.
Milwaukee is among the largest cities associated with Oneida County, Wisconsin, with a population of 569,756.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.