Delaware County, Oklahoma
Located in Oklahoma, Delaware County has a population of 41,279 residents and a median age of 46.9 years, making it the #1,182 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 19.0%. The median home value is $175,300, and the median household income is $56,676, which is 25% below the national median.
Demographics
Delaware County has a population of 41,279, making it the #1,182 most populous county in the US. The median age is 46.9 years, which is 20.6% 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 Delaware County is $56,676, ranking #2,362 out of 3,222 counties — 24.6% below the national median. The poverty rate is 19.0% and unemployment stands at 5.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Delaware County is $175,300 (-37.8% vs national). Renters pay a median of $913/mo and the homeownership rate is 77.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Delaware County, 19.9% of adults age 25+ hold a bachelor's degree or higher, which is 41.0% below the national average, ranking #2,019 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Delaware County is 72.5 years. 24.4% of adults report poor or fair health and 17.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
22.7% of adults in Delaware County smoke , 43.0% are obese , and 14.9% report excessive drinking. The drug overdose death rate is 19.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Delaware County is 7.5 per 100,000 and the suicide rate is 31.1 per 100,000. Motor vehicle deaths occur at a rate of 22.3 per 100,000.
Homicide Rate Trend
Families & Children
29.6% of children in Delaware County live in poverty and the infant mortality rate is 9.9 per 1,000 live births. The teen birth rate is 29.5 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Delaware County is 51.3%. The mean commute time is 30.9 min, which is 11.9% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Delaware County voted Republican with a margin of 60.4%. The vote was 19.2% Dem / 79.6% Rep. Compared to 2020, the margin shifted 1.9 toward Republicans .
Vote Share Over Time
About Delaware County, Oklahoma
Delaware County, Oklahoma has a total population of 41,279, making it the 1,182nd most populous county in the United States. The median age in Delaware County is 46.9 years, which is 20.6% above the national median of 38.9 years.
The median household income in Delaware County is $56,676, which ranks #2,362 of 3,222 counties nationwide. This is 24.6% below the national median of $75,149. The poverty rate is 19.0%, higher than the national rate of 12.6%. The unemployment rate stands at 5.2%.
The median home value in Delaware County is $175,300, 37.8% below the national median. Renters in Delaware County pay a median gross rent of $913 per month. The homeownership rate is 77.1%, compared to the national rate of 64.4%.
In Delaware County, 19.9% of residents aged 25 and older hold a bachelor's degree or higher, 41.0% below the national average of 33.7%. Health insurance coverage stands at 86.3% of the population. The average commute time for workers is 30.9 min.
Delaware County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 62.1% of the population, followed by American Indian (non-Hispanic) (19.9%) and Two or More Races (11.0%).
All data for Delaware County, Oklahoma 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.