Oneida County, Idaho
Located in Idaho, Oneida County has a population of 4,768 residents and a median age of 40.8 years, making it the #2,915 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.8%. The median home value is $272,000, and the median household income is $74,954, which is 0% below the national median.
Demographics
Oneida County has a population of 4,768, making it the #2,915 most populous county in the US. The median age is 40.8 years, which is 4.9% 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 $74,954, ranking #843 out of 3,222 counties — 0.3% below the national median. The poverty rate is 10.8% and unemployment stands at 1.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Oneida County is $272,000 (-3.5% vs national). Renters pay a median of $859/mo and the homeownership rate is 88.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Oneida County, 26.7% of adults age 25+ hold a bachelor's degree or higher, which is 20.9% below the national average, ranking #1,043 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Oneida County is 78.6 years. 14.5% of adults report poor or fair health and 8.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.2% of adults in Oneida County smoke , 32.2% are obese , and 18.8% report excessive drinking.
Adult Smoking Trend
Safety
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Families & Children
12.5% of children in Oneida County live in poverty . The teen birth rate is 19.0 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Oneida County is 80.9%. The mean commute time is 28.7 min, which is 4.2% above 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 75.9%. The vote was 10.3% Dem / 86.2% Rep. Compared to 2020, the margin shifted +1.5 toward Democrats .
Vote Share Over Time
About Oneida County, Idaho
Oneida County, Idaho has a total population of 4,768, making it the 2,915th most populous county in the United States. The median age in Oneida County is 40.8 years, which is 4.9% above the national median of 38.9 years.
The median household income in Oneida County is $74,954, which ranks #843 of 3,222 counties nationwide. This is 0.3% below the national median of $75,149. The poverty rate is 10.8%, lower than the national rate of 12.6%. The unemployment rate stands at 1.4%.
The median home value in Oneida County is $272,000, 3.5% below the national median. Renters in Oneida County pay a median gross rent of $859 per month. The homeownership rate is 88.3%, compared to the national rate of 64.4%.
In Oneida County, 26.7% of residents aged 25 and older hold a bachelor's degree or higher, 20.9% below the national average of 33.7%. Health insurance coverage stands at 93.3% of the population. The average commute time for workers is 28.7 min.
Oneida County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.8% of the population, followed by Hispanic or Latino (4.4%) and Two or More Races (2.5%).
All data for Oneida County, Idaho 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.