Leonardtown ZIP Codes — Saint Marys County, MD

There is one unique ZIP code in Leonardtown, Maryland and it is 20650. Area code: 240/301.

ZIP codes

61.42

sq mi land

11.86

sq mi water

240/301

area code

Leonardtown, MD ZIP code map

About Leonardtown, MD

Leonardtown, MD, is a charming town located in Saint Marys County, Maryland. Known for its rich history and pleasant surroundings, it offers a unique blend of small-town charm and modern amenities. With a welcoming community and vibrant local culture, Leonardtown is a great place to live and visit.

Location & geography

Nestled in southern Maryland, Leonardtown is located approximately 70 miles south of Washington, D.C., making it accessible while retaining its rural character. The town is bordered by several neighboring cities, including Lexington Park, which lies about 7 miles away, and California, located just 5 miles to the east. Covering a land area of 61.42 square miles and a water area of 11.86 square miles, Leonardtown features diverse terrain, with both land and waterfront areas contributing to its natural beauty.

Community & economy

The character of Leonardtown is defined by its friendly atmosphere and strong sense of community. It hosts several local businesses and industries, including retail, arts, and healthcare, that cater to both residents and visitors. Daily life in Leonardtown involves community events, outdoor activities, and exploring the local history, ensuring an enriching experience for all who call this town home.

Transportation

Leonardtown is conveniently situated near significant highways, including Maryland Route 5, which connects it to other parts of the region. The nearest named airport is the Leonardtown Airport, and for longer distances, the Point Lookout State Park area offers scenic routes. Public transit options may be limited, but residents often rely on personal vehicles for traveling around and beyond the city.

History

Leonardtown was founded in the mid-17th century, making it one of the oldest towns in Maryland. Historically, it thrived as a center for agriculture and commerce, playing a crucial role in the economic development of Saint Marys County. Notable events in the town’s history include its designation as the county seat and the establishment of various historic sites that reflect its storied past.

Did you know?

One surprising fact about Leonardtown is that it holds an annual event called the 'Leonardtown Fair,' which celebrates local culture and agriculture. Additionally, Leonardtown is home to several historic buildings, including the Old Jail and the St. Mary's County Historical Society, adding to its rich heritage.

ZIP codes for Leonardtown, MD (1)

ZIP code	City	County	Map
20650	Leonardtown	Saint Marys	View map

Demographics & statistics

15,522

Population

37.6

Median age

$137,854

Median household income

$52,907

Per capita income

$449,500

Median home value

$1,604

Median monthly rent

75.6%

Home ownership

4.8%

Poverty rate

4.7%

Unemployment

4,586

Housing units

44.4%

Bachelor's or higher

Age distribution

Male Female

413

Under 5

410

535

5–9

530

838

10–14

831

525

15–19

521

519

20–24

514

775

25–34

769

1,119

35–44

1,111

1,180

45–54

1,171

524

55–59

519

499

60–64

496

491

65–74

487

265

75–84

262

109

85+

109

← Male

Female →

Age summary

Group	Count	%
Under 18	4,313	27.8%
18 and over	11,209	72.2%
65 and over	1,723	11.1%
Median age	37.6 years

Race & ethnicity

White 72.9%

Two or more races 10.8%

Hispanic or Latino 6.6%

Black or African American 6.4%

Asian 2.9%

Other race 0.5%

Group	Count	%
White	12,104	72.9%
Two or more races	1,791	10.8%
Hispanic or Latino	1,090	6.6%
Black or African American	1,060	6.4%
Asian	485	2.9%
Other race	80	0.5%

Household income

Under $10k 2.4%

$10k–$15k 1.4%

$15k–$25k 4.2%

$25k–$35k 5.6%

$35k–$50k 3.1%

$50k–$75k 8.2%

$75k–$100k 11.8%

$100k–$150k 19.4%

$150k–$200k 20.0%

$200k+ 24.0%

Range	% of households
Under $10k	2.4%
$10k–$15k	1.4%
$15k–$25k	4.2%
$25k–$35k	5.6%
$35k–$50k	3.1%
$50k–$75k	8.2%
$75k–$100k	11.8%
$100k–$150k	19.4%
$150k–$200k	20.0%
$200k+	24.0%
Median income	$137,854

Housing

Home values

Under $50k 2.8%

$100k–$150k 0.5%

$150k–$200k 3.4%

$200k–$300k 7.7%

$300k–$500k 52.9%

$500k–$1M 29.8%

$1M+ 3.0%

Housing overview

Metric	Value
Median home value	$449,500
Median rent / month	$1,604
Owner occupied	75.6%
Renter occupied	24.4%
Vacant	8.9%
Single-family detached	80.2%
Large apartment buildings	7.1%
Mobile homes	2.8%
Median rooms	7.3
Avg household size (owned)	2.93

Year built

Era	%
2020 or later	0.6%
2010–2019	21.1%
2000–2009	19.3%
1990–1999	22.7%
1980–1989	11.5%
1970–1979	8.8%
1960–1969	5.5%
1950–1959	6.5%
1940–1949	1.3%
1939 or earlier	2.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	3.5%
2 bedrooms	14.5%
3 bedrooms	35.7%
4 bedrooms	29.7%
5+ bedrooms	15.2%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	19.1%
2 vehicles	40.0%
3 or more	35.5%

Heating fuel

Fuel type	%
Utility gas	6.3%
Electricity	55.4%
Propane / LP gas	15.0%
Fuel oil	16.3%
Wood	3.5%
Solar	1.7%
No fuel used	0.9%

Households & families

Household type	Count	%
Married-couple family	3,192	59.4%
Cohabiting couple	315	5.9%
Male householder, no spouse	661	12.3%
Female householder, no spouse	1,205	22.4%
Households with children under 18	2,087	38.8%
Households with seniors (65+)	1,217	22.7%
Average household size	2.81

Marital status

Status	Male	Female
Never married	29.7%	26.9%
Married	57.9%	53.1%
Separated	3.3%	1.7%
Widowed	2.2%	8.7%
Divorced	6.9%	9.7%

Education

Less than 9th grade 2.5%

Some HS, no diploma 6.1%

HS graduate 25.0%

Some college, no degree 16.0%

Associate's degree 6.0%

Bachelor's degree 24.9%

Graduate / professional 19.5%

Metric	%
HS diploma or higher	91.4%
Bachelor's or higher	44.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	111	2.5%
Kindergarten	177	4.0%
Elementary school	2,092	47.2%
High school	1,157	26.1%
College / grad school	891	20.1%

Employment

Industry of employment

Public administration 20.4%

Professional & management 19.1%

Education & healthcare 15.9%

Construction 10.7%

Manufacturing 8.2%

Transportation & utilities 6.5%

Retail trade 5.5%

Other services 4.8%

Arts, food & hospitality 4.6%

Information 1.8%

Finance & real estate 1.1%

Agriculture & mining 0.8%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	60.3%
Service	11.1%
Sales & office	12.4%
Natural resources & construction	7.1%
Production & transportation	9.0%

Employment type

Type	%
Private sector	61.4%
Government	31.4%
Self-employed	7.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.1%
Carpool	3.2%
Public transit	0.1%
Walk	1.8%
Other means	2.0%
Avg commute (minutes)	29.9

Poverty

All people 4.8%

Under 18 years 6.2%

18 and over 4.2%

Married-couple families 0.4%

Female-led households 22.1%

Income support

Source	% of households
Social Security	25.8%
Retirement income	34.2%
Supplemental Security	5.3%
Cash public assistance	3.0%
Food stamps / SNAP	11.7%

Health indicators

Condition	%
High blood pressure	34.8%
High cholesterol	35.5%
Heart disease	5.8%
Stroke	2.6%
Asthma	9.5%
Arthritis	26.0%
Kidney disease	2.6%
Pulmonary disease	5.5%
Cancer	7.0%

Behavior / access	%
Binge drinking	15.0%
No physical activity	19.8%
Less than 7 hrs sleep	34.0%
Fair or poor health	10.6%
Poor mental health	12.7%
Poor physical health	7.9%
No health insurance	8.2%
Visited doctor (checkup)	77.5%
Visited dentist	72.0%
Cholesterol screening	93.0%
Teeth loss	9.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,875	17.3%

Disability	%
Any disability	13.1%
Under 18	8.7%
18–64 years	11.6%
65 and over	33.4%

Health insurance coverage

Type	%
Private insurance	79.6%
Public insurance	28.9%
Uninsured under 19	3.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,699	94.7%
Spanish	460	3.1%
Other Indo-European	59	0.4%
Asian & Pacific Islander	361	2.5%
Other languages	24	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,596	94.0%
Born in same state	14,365	92.5%
Born in different state	7,389	47.6%
Foreign born	231	1.5%
Naturalized citizen	926	6.0%
Not a US citizen	364	39.3%

Ancestry

Ancestry	Count	%
Italian	2,760	17.8%
French	2,272	14.6%
Arab	1,403	9%
Polish	390	2.5%
Dutch	65	0.4%

Ancestry	Count	%
English	63	0.4%
German	58	0.4%
Norwegian	51	0.3%
Irish	31	0.2%

Technology access

Metric	% of households
Computer access	34.6%
Internet access	94.5%

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

Frequently asked questions

What ZIP codes does Leonardtown, MD have?

Leonardtown, MD has one ZIP code: 20650. Each ZIP code serves a distinct delivery area within the city and surrounding region.