Defiance County, Ohio
Located in Ohio, Defiance County has a population of 38,343 residents and a median age of 41.1 years, making it the #1,238 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.5%. The median home value is $163,200, and the median household income is $73,064, which is 3% below the national median.
Demographics
Defiance County has a population of 38,343, making it the #1,238 most populous county in the US. The median age is 41.1 years, which is 5.7% 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 Defiance County is $73,064, ranking #967 out of 3,222 counties — 2.8% below the national median. The poverty rate is 10.5% and unemployment stands at 5.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Defiance County is $163,200 (-42.1% vs national). Renters pay a median of $846/mo and the homeownership rate is 79.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Defiance County, 19.0% of adults age 25+ hold a bachelor's degree or higher, which is 43.6% below the national average, ranking #2,180 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Defiance County is 76.2 years. 18.2% of adults report poor or fair health and 6.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.4% of adults in Defiance County smoke , 42.2% are obese , and 21.2% report excessive drinking. The drug overdose death rate is 28.9 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 13.4 per 100,000. Motor vehicle deaths occur at a rate of 16.9 per 100,000.
Suicide Rate Trend
Families & Children
12.9% of children in Defiance County live in poverty and the infant mortality rate is 7.5 per 1,000 live births. The teen birth rate is 17.4 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Defiance County is 67.0%. The mean commute time is 21.9 min, which is 20.5% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Defiance County voted Republican with a margin of 39.9%. The vote was 29.6% Dem / 69.5% Rep. Compared to 2020, the margin shifted 3.5 toward Republicans .
Vote Share Over Time
About Defiance County, Ohio
Defiance County, Ohio has a total population of 38,343, making it the 1,238th most populous county in the United States. The median age in Defiance County is 41.1 years, which is 5.7% above the national median of 38.9 years.
The median household income in Defiance County is $73,064, which ranks #967 of 3,222 counties nationwide. This is 2.8% below the national median of $75,149. The poverty rate is 10.5%, lower than the national rate of 12.6%. The unemployment rate stands at 5.2%.
The median home value in Defiance County is $163,200, 42.1% below the national median. Renters in Defiance County pay a median gross rent of $846 per month. The homeownership rate is 79.3%, compared to the national rate of 64.4%.
In Defiance County, 19.0% of residents aged 25 and older hold a bachelor's degree or higher, 43.6% below the national average of 33.7%. Health insurance coverage stands at 91.6% of the population. The average commute time for workers is 21.9 min.
Defiance County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 84.7% of the population, followed by Hispanic or Latino (11.1%) and Two or More Races (2.1%).
All data for Defiance County, Ohio 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.