Jefferson County, Indiana
Located in Indiana, Jefferson County has a population of 32,998 residents and a median age of 41.8 years, making it the #1,396 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.3%. The median home value is $194,600, and the median household income is $64,577, which is 14% below the national median.
Demographics
Jefferson County has a population of 32,998, making it the #1,396 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 Jefferson County is $64,577, ranking #1,666 out of 3,222 counties — 14.1% below the national median. The poverty rate is 12.3% and unemployment stands at 4.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Jefferson County is $194,600 (-31.0% vs national). Renters pay a median of $890/mo and the homeownership rate is 71.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Jefferson County, 19.8% of adults age 25+ hold a bachelor's degree or higher, which is 41.4% below the national average, ranking #2,040 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Jefferson County is 73.7 years. 20.3% of adults report poor or fair health and 7.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.1% of adults in Jefferson County smoke , 38.4% are obese , and 18.0% report excessive drinking. The drug overdose death rate is 32.6 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 11.9 per 100,000. Motor vehicle deaths occur at a rate of 22.0 per 100,000.
Suicide Rate Trend
Families & Children
16.4% of children in Jefferson County live in poverty . The teen birth rate is 23.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Jefferson County is 58.0%. The mean commute time is 25.1 min, which is 9.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Jefferson County voted Republican with a margin of 36.1%. The vote was 31% Dem / 67.1% Rep. Compared to 2020, the margin shifted 2.6 toward Republicans .
Vote Share Over Time
About Jefferson County, Indiana
Jefferson County, Indiana has a total population of 32,998, making it the 1,396th most populous county in the United States. The median age in Jefferson County is 41.8 years, which is 7.5% above the national median of 38.9 years.
The median household income in Jefferson County is $64,577, which ranks #1,666 of 3,222 counties nationwide. This is 14.1% below the national median of $75,149. The poverty rate is 12.3%, lower than the national rate of 12.6%. The unemployment rate stands at 4.4%.
The median home value in Jefferson County is $194,600, 31.0% below the national median. Renters in Jefferson County pay a median gross rent of $890 per month. The homeownership rate is 71.8%, compared to the national rate of 64.4%.
In Jefferson County, 19.8% of residents aged 25 and older hold a bachelor's degree or higher, 41.4% below the national average of 33.7%. Health insurance coverage stands at 92.4% of the population. The average commute time for workers is 25.1 min.
Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.0% of the population, followed by Hispanic or Latino (3.5%) and Two or More Races (2.7%).
All data for Jefferson County, Indiana 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.