St. Leonard, Maryland Demographics & Population 2026
During the 2020–2024 ACS period, St. Leonard, Maryland had a total population of 726, the 360th largest community in Maryland, with a median household income of $186,071, which is 79% higher than the state average. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 79% above the state average — one of the wealthiest communities in Maryland.
St. Leonard Quick Facts
How St. Leonard 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 | 562 | 726 | +29.2% |
| Median household income | $188,056 | $186,071 | -1.1% |
| Median home value | $489,500 | $477,500 | -2.5% |
How St. Leonard 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: 68 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Leonard Rankings in Maryland
Explore Maryland Rankings
Other Cities in Calvert County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chesapeake Ranch Estates | 9,241 | $102,669 | 4.5% | $286,700 |
| Chesapeake Beach | 6,456 | $138,895 | 2.8% | $444,600 |
| Drum Point | 3,589 | $109,231 | 4.1% | $415,800 |
| Prince Frederick | 2,955 | $80,391 | 11.0% | $404,400 |
| Huntingtown | 2,689 | $185,313 | 5.3% | $589,900 |
| Owings | 2,643 | $176,378 | 1.2% | $602,900 |
| Lusby | 2,595 | $151,711 | 2.1% | $423,800 |
| Solomons | 2,440 | $94,963 | 0.6% | $436,800 |
| North Beach | 2,296 | $83,933 | 5.1% | $394,000 |
| Dunkirk | 2,166 | $149,271 | 1.8% | $561,300 |
Cities Similar to St. Leonard
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| North Chevy Chase | 746 | $250,000+ | $1,212,500 | 87.9% | 1.5% |
| Laytonsville | 677 | $240,500 | $1,061,500 | 60.3% | 1.6% |
| Cobb Island | 916 | N/A | $275,000 | 9.1% | 2.3% |
| Chevy Chase Section Five | 803 | $250,000+ | $1,643,100 | 96.4% | 2.4% |
| Pomfret | 747 | $118,914 | $406,900 | 45.7% | 0.0% |
A note before these figures: with a population of 726, St. Leonard'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. Leonard is a small community located in Maryland, within Calvert County. The total population is 726. It ranks as the 360th most populous out of 527 Census-designated places in Maryland.
Age Demographics
The median age in St. Leonard is 41.5 years. This is 5% higher than the state median of 39.4 years. With 30.2% of the population under 18, St. Leonard has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in St. Leonard is $186,071. This is 79% higher than the state median of $103,678. It is also 130% higher than the national median of $80,734. The ACS records no residents below the poverty line in St. Leonard. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in St. Leonard, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $477,500. Housing costs are 14% higher than the state median of $419,900. With a home-value-to-income ratio of just 2.6x, St. Leonard is one of the most affordable housing markets in the area. 96.7% of occupied housing units are owner-occupied. This homeownership rate is 43% higher than the state average of 67.6%.
Race & Ethnicity
The largest racial or ethnic group in St. Leonard is White (non-Hispanic), making up 80.4% of the population. Hispanic or Latino residents account for 17.8%. The White (non-Hispanic) population is significantly higher than the state average (80.4% vs 46.6%).
Education
21.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 51% lower than the state rate of 43.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.3%.
Data Sources & Methodology
All demographic data for St. Leonard, Maryland 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 Maryland state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 527 Census-designated places in Maryland. 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. Leonard, Maryland?
St. Leonard, Maryland has a population of 726 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Leonard, MD?
The median household income in St. Leonard is $186,071, which is 130% higher than the national median of $80,734.
What is the poverty rate in St. Leonard, MD?
The ACS sample for St. Leonard recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of St. Leonard, Maryland?
St. Leonard's population is 80.4% White, 0.0% Black, 17.8% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Leonard, MD?
The median home value in St. Leonard is $477,500. The home-value-to-income ratio is 2.6x.
How educated is St. Leonard, Maryland?
21.5% of adults (25+) in St. Leonard hold a bachelor's degree or higher, and 10.4% hold a graduate or professional degree.