Spencer County, Indiana
Located in Indiana, Spencer County has a population of 19,955 residents and a median age of 44.4 years, making it the #1,881 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.5%. The median home value is $185,200, and the median household income is $74,506, which is 1% below the national median.
Demographics
Spencer County has a population of 19,955, making it the #1,881 most populous county in the US. The median age is 44.4 years, which is 14.1% 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 Spencer County is $74,506, ranking #868 out of 3,222 counties — 0.9% below the national median. The poverty rate is 7.5% and unemployment stands at 3.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Spencer County is $185,200 (-34.3% vs national). Renters pay a median of $751/mo and the homeownership rate is 81.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Spencer County, 22.0% of adults age 25+ hold a bachelor's degree or higher, which is 34.7% below the national average, ranking #1,653 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Spencer County is 76.3 years. 16.2% of adults report poor or fair health and 6.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.0% of adults in Spencer County smoke , 35.7% are obese , and 19.2% report excessive drinking. The drug overdose death rate is 16.7 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 23.0 per 100,000. Motor vehicle deaths occur at a rate of 14.1 per 100,000.
Suicide Rate Trend
Families & Children
10.2% of children in Spencer County live in poverty . The teen birth rate is 20.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Spencer County is 68.1%. The mean commute time is 28.7 min, which is 4.0% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Spencer County voted Republican with a margin of 43.2%. The vote was 27.4% Dem / 70.6% Rep. Compared to 2020, the margin shifted 4.7 toward Republicans .
Vote Share Over Time
About Spencer County, Indiana
Spencer County, Indiana has a total population of 19,955, making it the 1,881st most populous county in the United States. The median age in Spencer County is 44.4 years, which is 14.1% above the national median of 38.9 years.
The median household income in Spencer County is $74,506, which ranks #868 of 3,222 counties nationwide. This is 0.9% below the national median of $75,149. The poverty rate is 7.5%, lower than the national rate of 12.6%. The unemployment rate stands at 3.3%.
The median home value in Spencer County is $185,200, 34.3% below the national median. Renters in Spencer County pay a median gross rent of $751 per month. The homeownership rate is 81.3%, compared to the national rate of 64.4%.
In Spencer County, 22.0% of residents aged 25 and older hold a bachelor's degree or higher, 34.7% below the national average of 33.7%. Health insurance coverage stands at 95.3% of the population. The average commute time for workers is 28.7 min.
Spencer County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 93.2% of the population, followed by Hispanic or Latino (3.6%) and Two or More Races (2.0%).
All data for Spencer 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.