Saint Leonard, MD demographics:
population, income, and more

Total population
4,938
5.9% year-over-year change
Median household income
$119,135/yr
-2.4% year-over-year change
Housing units
1,924
7.2% year-over-year change

Saint Leonard population

How many people live in Saint Leonard

Saint Leonard is home to 4,938 residents, according to the most recent Census data. Gender-wise, 49.4% of Saint Leonard locals are male, and 50.6% are female.

Total population
4,938
5.9% year-over-year change
Gender ratio
Male
49.4%
2,438
Female
50.6%
2,500
Value Percent YoY change
Male 2,438 49.4% 9.1%
Female 2,500 50.6% 3.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Saint Leonard is 43, with the population distributed as follows: about 17.4% are children under 15, then 13% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.8% of the population, while another 30.4% fall into the 45 to 64 bracket. Finally, around 16.5% are 65 or older.

Median age
42.8
Age breakdown
Under 15
17.4%
15 to 24
13%
25 to 44
22.8%
45 to 64
30.4%
Over 65
16.5%
Value Percent YoY change
Under 15 857 17.4% 13.7%
15 to 24 640 13% 24.0%
25 to 44 1,125 22.8% 7.2%
45 to 64 1,500 30.4% -5.6%
Over 65 816 16.5% 8.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Saint Leonard, 98.4% of the population are US-born citizens, while 1.2% have gained naturalized citizenship. At the same time, 0.4% of residents are non-citizens. As for race, 75.4% of locals are Caucasian, 14.4% are African American and 0.3% have Asian roots. There’s also a share of 8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.4%
Non-U.S.-born citizens
1.2%
Non-citizens
0.4%
Value Percent YoY change
U.S.-born citizens 4,857 98.4% 7.2%
Non-U.S.-born citizens 58 1.2% -43.1%
Non-citizens 22 0.4% -21.4%
Racial breakdown
White
75.4%
Black or African American
14.4%
American Indian and Alaska Native
0%
Asian
0.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8%
Other
1.9%
Value Percent
White 3,725 75.4%
Black or African American 713 14.4%
Asian 13 0.3%
Two or more races 393 8%
Other 93 1.9%

Households in Saint Leonard

A peek inside Saint Leonard households

Saint Leonard has 1,722 households, with an average of 3 members in each. Of these, 78.5% are families, while the remaining 21.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,722
1.6% year-over-year change
Average people per household
3
Non-family households
370
Family households
1,352
Value Percent YoY change
Non-family households 370 21.5% -7.0%
Family households 1,352 78.5% 4.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Saint Leonard

The housing landscape of Saint Leonard

Saint Leonard's housing consists of 1,924 units, with 96.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.1% and offer a more compact, shared living style.

Housing units
1,924
7.2% year-over-year change
Housing types
Value Percent
1 unit, detached 1,864 96.9%
1 unit, attached 60 3.1%
Homes built since 2020
% year-over-year change

The age of buildings in Saint Leonard

In Saint Leonard, the median construction year is 1986. About 3.6% of homes were built before the 1940s, with another 4.5% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 69 3.6% 11.3%
Built between 1940 and 1949 86 4.5% 109.8%
Built between 1950 and 1959 178 9.2% -1.7%
Built between 1960 and 1969 68 3.5% -2.9%
Built between 1970 and 1979 282 14.7% -5.7%
Built between 1980 and 1989 466 24.2% 19.2%
Built between 1990 and 1999 444 23.1% -4.9%
Built between 2000 and 2009 309 16.1% 14.4%
Built between 2010 and 2019 22 1.1% 83.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Saint Leonard occupancy rates

Out of the 1,722 occupied housing units in Saint Leonard, 94.8% are owner-occupied, while 5.2% are lived in by tenants. Meanwhile, 10.5% of all homes on the local market sit vacant.

Occupied housing units
1,722
1.6% year-over-year change
Occupancy breakdown
Renter occupied
90
Owner occupied
1,632
Value Percent YoY
change
Renter occupied 90 5.2% -3.2%
Owner occupied 1,632 94.8% 1.9%
Unoccupied housing units
10.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Saint Leonard housing costs

Housing costs in Saint Leonard come to a median of $1,884 per month, while tenants specifically pay a median gross rent of $1,906.

Median housing costs per month
$1,884/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Saint Leonard
$1,906/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Saint Leonard

Saint Leonard education at a glance

About 40.5% of the population in Saint Leonard went to high school, while 28.2% pursued college studies. Another 6.3% earned an associate degree and 14.6% hold a bachelor’s. Meanwhile, 8.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 73 1.9% 0.0%
High school diploma 1,587 40.5% 2.6%
College diploma 1,108 28.2% 6.7%
Associate degree 246 6.3% -16.0%
Bachelor's degree 572 14.6% 22.5%
Graduate degree 336 8.6% 0.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Saint Leonard

How much people earn in Saint Leonard

The average annual household income in Saint Leonard was $163,008 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.6% change from the previous year. At the same time, the median income stood at $119,135, reflecting a -2.4% shift over the same period.

Average household income in Saint Leonard
$163,008/year
5.6% year-over-year change
Median household income in Saint Leonard
$119,135/year
-2.4% year-over-year change

Saint Leonard income by age

In Saint Leonard, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $115,072. Those with someone between 45 and 64 in charge, often well established professionally, earn $172,031 overall. Overall, 96.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $115,072 0.6%
45 - 64 $172,031 -1.4%
Over 65 $125,909 33.1%
Above poverty level
4,763
Below poverty level
164
Value Percent YoY
change
Above poverty level 4,763 96.7% 3.2%
Below poverty level 164 3.3% 556.0%

Employment in Saint Leonard

Workforce and job types in Saint Leonard

80.9% of the working population are employed in professional or administrative positions, while 19.1% are in hands-on or service-based jobs. Also, 8.7% run their own businesses, 66.6% are employed by private companies, and 19.6% work in the public sector.

Workforce demographics

White collar
2,050
Blue collar
483
Value Percent YoY change
White collar 2,050 80.9% 3.7%
Blue collar 483 19.1% 3.9%
Employer type
Self employees
8.7%
Private companies
66.6%
Governmental workers
19.6%
Not for profit companies
5.1%
Value Percent YoY change
Self employees 221 8.7% -5.6%
Private companies 1,685 66.6% 11.0%
Governmental workers 496 19.6% -11.6%
Not for profit companies 130 5.1% 0.8%

Transportation in Saint Leonard

How people get around in Saint Leonard

Means of transportation
Value Percent YoY change
Car 1,993 99.3% -1.7%
Bicycle 14 0.7% N/A
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Saint Leonard by zipcode?

Zipcode Population Number of households Median income Average income
20685 6,866 2,394 $119,135 $163,037

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FAQs about Saint Leonard demographics 

What is the total population of Saint Leonard?

Saint Leonard has a total population of 4,938 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +5.9% compared to a year ago.

What is the gender ratio in Saint Leonard?

The gender ratio in Saint Leonard is as follows:
  • 49.4% males (2,438 residents)
  • 50.6% females (2,500 residents)

What is the median age in Saint Leonard?

The median age in Saint Leonard is 42.8.

What is the age distribution of the population in Saint Leonard?

The age distribution in Saint Leonard is as follows:
  • Under 15: 17.4% (857 residents)
  • Ages 15-24: 13% (640 residents)
  • Ages 25-44: 22.8% (1,125 residents)
  • Ages 45-64: 30.4% (1,500 residents)
  • Over 65: 16.5% (816 residents)

What is the racial and ethnic makeup of Saint Leonard?

The racial and ethnic makeup of Saint Leonard is as follows:
  • White: 75.4% (3,725 residents)
  • Black or African American: 14.4% (713 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 0.3% (13 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 8% (393 residents)
  • Other: 1.9% (93 residents)

What percentage of the population in Saint Leonard are U.S.-born citizens?

U.S.-born citizens represent 98.4% of the population in Saint Leonard.

How many housing units are there in Saint Leonard?

There are 1,924 housing units in Saint Leonard, reflecting a +7.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Saint Leonard and what is the average household size?

Saint Leonard has a total of 1,722 households, with an average of 3 people in each.

What is the median household income in Saint Leonard?

Saint Leonard has a median household income of $119,135, representing a -2.4% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Saint Leonard?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 80.9% (2,050 residents)
  • Blue-collar workers: 19.1% (483 residents)

Places of employment:
  • Self-employed: 8.7% (221 residents)
  • Private companies: 66.6% (1,685 residents)
  • Governmental workers: 19.6% (496 residents)
  • Not-for-profit companies: 5.1% (130 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025