Oneida County, Wisconsin
Located in Wisconsin, Oneida County has a population of 38,167 residents and a median age of 52.7 years, making it the #1,247 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.5%. The median home value is $238,400, and the median household income is $69,371, which is 8% below the national median.
Demographics
Oneida County has a population of 38,167, making it the #1,247 most populous county in the US. The median age is 52.7 years, which is 35.5% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Oneida County is $69,371, ranking #1,247 out of 3,222 counties — 7.7% below the national median. The poverty rate is 8.5% and unemployment stands at 2.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Oneida County is $238,400 (-15.4% vs national). Renters pay a median of $885/mo and the homeownership rate is 82.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Oneida County, 28.7% of adults age 25+ hold a bachelor's degree or higher, which is 14.7% below the national average, ranking #853 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Oneida County is 77.9 years. 13.9% of adults report poor or fair health and 6.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.0% of adults in Oneida County smoke , 38.5% are obese , and 25.6% report excessive drinking. The drug overdose death rate is 13.4 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 17.4 per 100,000. Motor vehicle deaths occur at a rate of 9.1 per 100,000.
Suicide Rate Trend
Families & Children
12.2% of children in Oneida County live in poverty . The teen birth rate is 10.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Oneida County is 82.8%. The mean commute time is 22.8 min, which is 17.5% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Oneida County voted Republican with a margin of 17.6%. The vote was 40.6% Dem / 58.2% Rep. Compared to 2020, the margin shifted 2.8 toward Republicans .
Vote Share Over Time
About Oneida County, Wisconsin
Oneida County, Wisconsin has a total population of 38,167, making it the 1,247th most populous county in the United States. The median age in Oneida County is 52.7 years, which is 35.5% above the national median of 38.9 years.
The median household income in Oneida County is $69,371, which ranks #1,247 of 3,222 counties nationwide. This is 7.7% below the national median of $75,149. The poverty rate is 8.5%, lower than the national rate of 12.6%. The unemployment rate stands at 2.0%.
The median home value in Oneida County is $238,400, 15.4% below the national median. Renters in Oneida County pay a median gross rent of $885 per month. The homeownership rate is 82.3%, compared to the national rate of 64.4%.
In Oneida County, 28.7% of residents aged 25 and older hold a bachelor's degree or higher, 14.7% below the national average of 33.7%. Health insurance coverage stands at 95.8% of the population. The average commute time for workers is 22.8 min.
Oneida County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 93.4% of the population, followed by Two or More Races (3.1%) and Hispanic or Latino (1.7%).
All data for Oneida County, Wisconsin comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.