Oliver County, North Dakota
Located in North Dakota, Oliver County has a population of 1,839 residents and a median age of 46.1 years, making it the #3,131 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 5.2%. The median home value is $215,700, and the median household income is $77,240, which is 3% above the national median.
Demographics
Oliver County has a population of 1,839, making it the #3,131 most populous county in the US. The median age is 46.1 years, which is 18.5% 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 Oliver County is $77,240, ranking #715 out of 3,222 counties — 2.8% above the national median. The poverty rate is 5.2% and unemployment stands at 1.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Oliver County is $215,700 (-23.5% vs national). Renters pay a median of $756/mo and the homeownership rate is 95.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Oliver County, 23.0% of adults age 25+ hold a bachelor's degree or higher, which is 31.8% below the national average, ranking #1,505 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Oliver County is 92.2 years. 14.8% of adults report poor or fair health and 5.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.2% of adults in Oliver County smoke , 40.0% are obese , and 24.8% report excessive drinking.
Adult Smoking Trend
Safety
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Families & Children
15.0% of children in Oliver County live in poverty .
Child Poverty Trend
Civic & Transportation
Voter turnout in Oliver County is 72.8%. The mean commute time is 28.8 min, which is 4.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Oliver County voted Republican with a margin of 69.5%. The vote was 14.4% Dem / 83.9% Rep. Compared to 2020, the margin shifted +4.5 toward Democrats .
Vote Share Over Time
About Oliver County, North Dakota
Oliver County, North Dakota has a total population of 1,839, making it the 3,131st most populous county in the United States. The median age in Oliver County is 46.1 years, which is 18.5% above the national median of 38.9 years.
The median household income in Oliver County is $77,240, which ranks #715 of 3,222 counties nationwide. This is 2.8% above the national median of $75,149. The poverty rate is 5.2%, lower than the national rate of 12.6%. The unemployment rate stands at 1.0%.
The median home value in Oliver County is $215,700, 23.5% below the national median. Renters in Oliver County pay a median gross rent of $756 per month. The homeownership rate is 95.2%, compared to the national rate of 64.4%.
In Oliver County, 23.0% of residents aged 25 and older hold a bachelor's degree or higher, 31.8% below the national average of 33.7%. Health insurance coverage stands at 95.3% of the population. The average commute time for workers is 28.8 min.
Oliver County is a community. The largest racial or ethnic group is White (non-Hispanic) at 99.0% of the population.
All data for Oliver County, North Dakota 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.