Saint Leonard ZIP Codes — Calvert County, MD

There is one unique ZIP code in Saint Leonard, Maryland and it is 20685. Area code: 410.
1
ZIP codes
22.90
sq mi land
8.34
sq mi water
410
area code
Saint Leonard, MD ZIP code map

About Saint Leonard, MD

Saint Leonard, Maryland, is a charming village located in Calvert County. Known for its scenic views and close-knit community, it offers a peaceful atmosphere. The town is an ideal spot for those looking to enjoy the beauty of Southern Maryland while being part of a vibrant locale.

Location & geography

Saint Leonard is situated in the picturesque region of Southern Maryland, with easy access to the Chesapeake Bay. It is approximately 10 miles south of Prince Frederick, the county seat, and about 30 miles south of Washington, D.C. The area encompasses a total land area of 22.90 square miles, alongside a water area of 8.34 square miles, which contributes to its captivating natural landscapes.

Community & economy

The character of Saint Leonard is defined by its friendly residents and rural charm, making it a welcoming place for families and newcomers. The local economy is primarily supported by small businesses and tourism, with various recreational opportunities available nearby. Daily life in Saint Leonard often revolves around community events and outdoor activities, promoting a strong sense of belonging among its residents.

Transportation

Saint Leonard is accessible via several highways, including Maryland Route 4, facilitating easy travel to nearby locations. The nearest major airport is the Reagan National Airport, approximately 35 miles to the north, providing both local and international flight options. Public transit options are limited, underscoring the importance of personal vehicles for residents.

History

Saint Leonard was established in the early 19th century and has a rich history that reflects the development of Maryland's Southern region. The area was historically agricultural, with farming being a key industry that shaped its initial growth. Over the years, it has evolved into a residential community while still maintaining its historical roots.

Did you know?

One surprising fact about Saint Leonard is that it is home to the popular, scenic Calvert Cliffs State Park, known for its fossil-rich shores. Additionally, the town offers a variety of outdoor activities, attracting both locals and tourists alike.

ZIP codes for Saint Leonard, MD (1)
ZIP code City County Map
20685 Saint Leonard Calvert View map

Demographics & statistics

6,750
Population
47.0
Median age
$119,792
Median household income
$55,399
Per capita income
$384,200
Median home value
$1,636
Median monthly rent
93.8%
Home ownership
0.6%
Poverty rate
1.1%
Unemployment
2,558
Housing units
23.6%
Bachelor's or higher

Age distribution

Male Female
64
Under 5
67
259
5–9
275
220
10–14
233
154
15–19
162
200
20–24
212
271
25–34
286
414
35–44
438
440
45–54
466
392
55–59
414
343
60–64
363
294
65–74
311
208
75–84
221
21
85+
22
← Male
Female →

Age summary

GroupCount%
Under 181,32919.7%
18 and over5,42180.3%
65 and over1,07716.0%
Median age47.0 years

Race & ethnicity

White 77.3%
Black or African American 14.2%
Two or more races 3.1%
Hispanic or Latino 3%
Other race 2.4%
GroupCount%
White5,37777.3%
Black or African American99114.2%
Two or more races2173.1%
Hispanic or Latino2063%
Other race1652.4%

Household income

$15k–$25k 3.6%
$25k–$35k 3.2%
$35k–$50k 4.6%
$50k–$75k 11.4%
$75k–$100k 10.3%
$100k–$150k 26.8%
$150k–$200k 14.4%
$200k+ 25.7%
Range% of households
$15k–$25k3.6%
$25k–$35k3.2%
$35k–$50k4.6%
$50k–$75k11.4%
$75k–$100k10.3%
$100k–$150k26.8%
$150k–$200k14.4%
$200k+25.7%
Median income$119,792

Housing

Home values

Under $50k 1.9%
$50k–$100k 2.3%
$150k–$200k 5.0%
$200k–$300k 15.8%
$300k–$500k 55.7%
$500k–$1M 17.2%
$1M+ 2.1%

Housing overview

MetricValue
Median home value$384,200
Median rent / month$1,636
Owner occupied93.8%
Renter occupied6.2%
Vacant8.8%
Single-family detached96.3%
Large apartment buildings0.0%
Mobile homes0.5%
Median rooms7.0
Avg household size (owned)2.77

Year built

Era%
2020 or later0.0%
2010–20190.6%
2000–200913.9%
1990–199929.6%
1980–198920.0%
1970–197914.9%
1960–19693.6%
1950–195913.6%
1940–19492.2%
1939 or earlier1.7%

Bedrooms

Size% of units
No bedroom (studio)0.8%
1 bedroom2.1%
2 bedrooms6.2%
3 bedrooms45.0%
4 bedrooms36.7%
5+ bedrooms9.3%

Vehicles per household

Vehicles% of households
No vehicle1.4%
1 vehicle13.5%
2 vehicles44.1%
3 or more41.0%

Heating fuel

Fuel type%
Utility gas0.8%
Electricity81.1%
Propane / LP gas9.0%
Fuel oil4.0%
Wood3.9%
Solar0.4%

Households & families

Household typeCount%
Married-couple family1,58364.0%
Cohabiting couple1767.1%
Male householder, no spouse31512.7%
Female householder, no spouse39816.1%
Households with children under 1878331.7%
Households with seniors (65+)74029.9%
Average household size2.73

Marital status

StatusMaleFemale
Never married29.4%21.4%
Married58.9%57.4%
Separated0.0%2.2%
Widowed2.1%6.5%
Divorced9.7%12.5%

Education

Less than 9th grade 2.0%
Some HS, no diploma 6.8%
HS graduate 31.8%
Some college, no degree 27.8%
Associate's degree 8.0%
Bachelor's degree 12.1%
Graduate / professional 11.5%
Metric%
HS diploma or higher91.2%
Bachelor's or higher23.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool382.7%
Kindergarten976.8%
Elementary school69048.5%
High school36025.3%
College / grad school23716.7%

Employment

Industry of employment

Education & healthcare 18.9%
Professional & management 18.0%
Construction 14.1%
Retail trade 10.9%
Public administration 9.0%
Arts, food & hospitality 8.2%
Manufacturing 6.9%
Transportation & utilities 3.7%
Information 3.1%
Finance & real estate 2.4%
Wholesale trade 2.0%
Other services 2.0%
Agriculture & mining 0.7%

Occupation

Category%
Management, business & arts51.9%
Service17.3%
Sales & office15.3%
Natural resources & construction7.4%
Production & transportation8.1%

Employment type

Type%
Private sector75.8%
Government19.2%
Self-employed5.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone79.9%
Carpool6.7%
Public transit0.7%
Walk0.7%
Other means0.0%
Avg commute (minutes)40.2

Poverty

All people 0.6%
Under 18 years 0.0%
18 and over 0.7%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security28.9%
Retirement income35.3%
Supplemental Security4.5%
Cash public assistance1.9%
Food stamps / SNAP5.0%

Health indicators

Condition%
High blood pressure31.5%
High cholesterol33.6%
Heart disease4.9%
Stroke2.4%
Asthma9.9%
Arthritis25.6%
Kidney disease2.3%
Pulmonary disease5.6%
Cancer6.2%
Behavior / access%
Binge drinking16.0%
No physical activity19.5%
Less than 7 hrs sleep36.0%
Fair or poor health10.7%
Poor mental health14.1%
Poor physical health8.0%
No health insurance9.5%
Visited doctor (checkup)74.6%
Visited dentist69.6%
Cholesterol screening92.2%
Teeth loss9.5%

Veterans & disability

VeteransCount%
Civilian veterans53910.0%
Disability%
Any disability9.6%
Under 181.2%
18–64 years8.6%
65 and over24.3%

Health insurance coverage

Type%
Private insurance83.3%
Public insurance29.1%
Uninsured under 190.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only6,61998.1%
Spanish590.9%
Other Indo-European580.9%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)6,60097.8%
Born in same state6,55297.1%
Born in different state4,26863.2%
Foreign born480.7%
Naturalized citizen1502.2%
Not a US citizen12180.7%

Ancestry

AncestryCount%
French1,66024.6%
Italian81712.1%
Arab4466.6%
English901.3%
AncestryCount%
Dutch470.7%
German110.2%
Irish80.1%
Polish10%

Technology access

Metric% of households
Computer access36.6%
Internet access91.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Saint Leonard, MD have?
Saint Leonard, MD has one ZIP code: 20685. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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