St. Leon, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, St. Leon, Indiana had a total population of 737, the 423rd largest town in Indiana, with a median household income of $76,250, which is 6% higher than the state average. The poverty rate is 15.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 2.0%.
St. Leon Quick Facts
How St. Leon Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,012 | 737 | -27.2% |
| Median household income | $86,932 | $76,250 | -12.3% |
| Median home value | $273,900 | $280,800 | +2.5% |
How St. Leon Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Leon Rankings in Indiana
Explore Indiana Rankings
Other Cities in Dearborn County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hidden Valley | 5,706 | $121,208 | 1.9% | $289,400 |
| Bright | 5,540 | $108,974 | 3.3% | $279,500 |
| Lawrenceburg | 5,179 | $51,250 | 13.5% | $227,600 |
| Greendale | 3,986 | $74,980 | 10.2% | $198,700 |
| Aurora | 3,648 | $47,470 | 18.5% | $131,400 |
| Dillsboro | 1,697 | $48,810 | 14.9% | $149,500 |
| Moores Hill | 629 | $68,750 | 8.5% | $143,800 |
| West Harrison | 285 | $43,750 | 19.3% | $129,200 |
Cities Similar to St. Leon
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| San Pierre | 727 | N/A | $193,600 | 9.3% | 1.8% |
| Mount Summit | 713 | N/A | $214,100 | 17.2% | 4.9% |
| Medaryville | 729 | $80,375 | $78,500 | 2.9% | 9.5% |
| Cynthiana | 716 | $74,688 | $141,500 | 12.9% | 9.2% |
| Monroe | 707 | $74,063 | $164,400 | 21.8% | 10.1% |
A note before these figures: with a population of 737, St. Leon's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
St. Leon is a small community located in Indiana, within Dearborn County. The total population is 737. It ranks as the 423rd most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in St. Leon is 33.5 years. This is 12% lower than the state median of 38.1 years. With 31.2% of the population under 18, St. Leon has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in St. Leon is $76,250. This is 6% higher than the state median of $71,957. It is also 6% lower than the national median of $80,734. The poverty rate stands at 15.2%. This is 23% higher than the state poverty rate of 12.3%. The unemployment rate is 2.0%. This is 54% lower than the state rate of 4.3%. The median home value is $280,800. Housing costs are 29% higher than the state median of $218,200. The home-value-to-income ratio is 3.7x. 69.1% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 70.5%.
Race & Ethnicity
St. Leon has a predominantly White (non-Hispanic) population, comprising 95.3% of all residents. Hispanic or Latino residents account for 1.2%. The Hispanic or Latino population (1.2%) is well below the state average of 8.6%.
Education
21.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.0%.
Data Sources & Methodology
All demographic data for St. Leon, Indiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Indiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 967 Census-designated places in Indiana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of St. Leon, Indiana?
St. Leon, Indiana has a population of 737 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Leon, IN?
The median household income in St. Leon is $76,250, which is 6% lower than the national median of $80,734.
What is the poverty rate in St. Leon, IN?
The poverty rate in St. Leon is 15.2%. This means approximately 109 residents live below the federal poverty line.
What is the racial makeup of St. Leon, Indiana?
St. Leon's population is 95.3% White, 0.0% Black, 1.2% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Leon, IN?
The median home value in St. Leon is $280,800. The home-value-to-income ratio is 3.7x.
How educated is St. Leon, Indiana?
21.1% of adults (25+) in St. Leon hold a bachelor's degree or higher, and 8.5% hold a graduate or professional degree.