Franklin County, Missouri
Located in Missouri, Franklin County has a population of 105,950 residents and a median age of 41.8 years, making it the #592 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.2%. The median home value is $227,600, and the median household income is $73,165, which is 3% below the national median.
Demographics
Franklin County has a population of 105,950, making it the #592 most populous county in the US. The median age is 41.8 years, which is 7.5% 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 Franklin County is $73,165, ranking #959 out of 3,222 counties — 2.6% below the national median. The poverty rate is 8.2% and unemployment stands at 4.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Franklin County is $227,600 (-19.3% vs national). Renters pay a median of $893/mo and the homeownership rate is 76.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Franklin County, 23.7% of adults age 25+ hold a bachelor's degree or higher, which is 29.7% below the national average, ranking #1,408 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Franklin County is 74.9 years. 16.8% of adults report poor or fair health and 10.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.4% of adults in Franklin County smoke , 38.8% are obese , and 22.8% report excessive drinking. The drug overdose death rate is 48.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Franklin County is 4.5 per 100,000 and the suicide rate is 22.1 per 100,000. Motor vehicle deaths occur at a rate of 20.7 per 100,000.
Homicide Rate Trend
Families & Children
10.6% of children in Franklin County live in poverty and the infant mortality rate is 4.9 per 1,000 live births. The teen birth rate is 19.3 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Franklin County is 67.9%. The mean commute time is 30.8 min, which is 11.6% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Franklin County voted Republican with a margin of 45.9%. The vote was 26.5% Dem / 72.4% Rep. Compared to 2020, the margin shifted 2.1 toward Republicans .
Vote Share Over Time
About Franklin County, Missouri
Franklin County, Missouri has a total population of 105,950, making it the 592nd most populous county in the United States. The median age in Franklin County is 41.8 years, which is 7.5% above the national median of 38.9 years.
The median household income in Franklin County is $73,165, which ranks #959 of 3,222 counties nationwide. This is 2.6% below the national median of $75,149. The poverty rate is 8.2%, lower than the national rate of 12.6%. The unemployment rate stands at 4.3%.
The median home value in Franklin County is $227,600, 19.3% below the national median. Renters in Franklin County pay a median gross rent of $893 per month. The homeownership rate is 76.5%, compared to the national rate of 64.4%.
In Franklin County, 23.7% of residents aged 25 and older hold a bachelor's degree or higher, 29.7% below the national average of 33.7%. Health insurance coverage stands at 93.1% of the population. The average commute time for workers is 30.8 min.
Franklin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 88.7% of the population, followed by Two or More Races (7.4%) and Hispanic or Latino (2.3%).
All data for Franklin County, Missouri 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.