Franklin County, Ohio
Located in Ohio, Franklin County has a population of 1,333,048 residents and a median age of 34.8 years, making it the #31 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.7%. The median home value is $288,400, and the median household income is $75,176, which is 0% above the national median.
Demographics
Franklin County has a population of 1,333,048, making it the #31 most populous county in the US. The median age is 34.8 years, which is 10.5% below 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 Franklin County is $75,176, ranking #830 out of 3,222 counties — 0.0% above the national median. The poverty rate is 14.7% and unemployment stands at 4.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Franklin County is $288,400 (+2.3% vs national). Renters pay a median of $1,302/mo and the homeownership rate is 52.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Franklin County, 42.1% of adults age 25+ hold a bachelor's degree or higher, which is 24.9% above the national average, ranking #221 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Franklin County is 75.5 years. 17.7% of adults report poor or fair health and 8.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.6% of adults in Franklin County smoke , 36.1% are obese , and 19.9% report excessive drinking. The drug overdose death rate is 61.2 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Franklin County is 11.6 per 100,000 and the suicide rate is 12.0 per 100,000. Motor vehicle deaths occur at a rate of 10.2 per 100,000.
Homicide Rate Trend
Families & Children
19.8% of children in Franklin County live in poverty and the infant mortality rate is 7.8 per 1,000 live births. The teen birth rate is 16.6 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Franklin County is 67.4%. The mean commute time is 23.6 min, which is 14.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Franklin County voted Democratic with a margin of 28.4%. The vote was 63.7% Dem / 35.3% Rep. Compared to 2020, the margin shifted 3.0 toward Republicans .
Vote Share Over Time
About Franklin County, Ohio
Franklin County, Ohio has a total population of 1,333,048, making it the 31st most populous county in the United States. The median age in Franklin County is 34.8 years, which is 10.5% below the national median of 38.9 years.
The median household income in Franklin County is $75,176, which ranks #830 of 3,222 counties nationwide. This is 0.0% above the national median of $75,149. The poverty rate is 14.7%, higher than the national rate of 12.6%. The unemployment rate stands at 4.6%.
The median home value in Franklin County is $288,400, 2.3% above the national median. Renters in Franklin County pay a median gross rent of $1,302 per month. The homeownership rate is 52.8%, compared to the national rate of 64.4%.
In Franklin County, 42.1% of residents aged 25 and older hold a bachelor's degree or higher, 24.9% above the national average of 33.7%. Health insurance coverage stands at 91.2% of the population. The average commute time for workers is 23.6 min.
Franklin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 58.0% of the population, followed by Black (non-Hispanic) (23.1%) and Hispanic or Latino (7.5%).
All data for Franklin 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.