Avenue ZIP Codes — Saint Marys County, MD

There is one unique ZIP code in Avenue, Maryland and it is 20609. Area code: 301.
1
ZIP codes
10.02
sq mi land
3.16
sq mi water
301
area code
Avenue, MD ZIP code map

About Avenue, MD

Avenue is a quaint city located in the state of Maryland. Nestled within Saint Marys County, this charming community offers a peaceful setting with a backdrop of natural beauty. Known for its serene atmosphere, Avenue provides a lovely escape from the hustle and bustle of larger urban areas.

Location & geography

Avenue is situated approximately 30 miles south of Washington, D.C., making it a tranquil retreat within easy reach of the capital. The city is surrounded by bodies of water, with a total water area of 3.16 square miles complementing its land area of 10.02 square miles. The nearby cities include Charlotte Hall, approximately 8 miles away, Leonardtown at about 12 miles, and California, only 10 miles from Avenue.

Community & economy

The community of Avenue is characterized by a tight-knit atmosphere where residents often know one another, fostering a strong sense of belonging. While the primary industries in Avenue may include agriculture and some tourism-focused businesses, daily life is marked by a laid-back pace and a close connection to nature. Local gatherings and events reflect the culture and traditions valued by the residents, contributing to the overall spirit of the community.

Transportation

Avenue is accessible via Maryland Route 4, which connects the area to other significant parts of the state. The nearest major airport is the Ronald Reagan Washington National Airport, located about 30 miles to the north, providing access for air travel. Public transit options may be limited, making personal vehicles the primary mode of transport for residents and visitors.

History

Avenue has a rich history, having been established in the early days of Maryland's development. The region saw significant agricultural activity as it grew, contributing to the local economy and shaping its identity over the years. Notable events and changes have helped preserve the charm of the city while allowing it to evolve into the community it is today.

Did you know?

One surprising fact about Avenue is that it is home to a beautiful landscape that includes both land and water, making it a scenic location for outdoor activities. Despite its small size, Avenue holds a unique place in Maryland's cultural and historical tapestry.

ZIP codes for Avenue, MD (1)
ZIP code City County Map
20609 Avenue Saint Marys View map

Demographics & statistics

1,240
Population
54.1
Median age
$112,625
Median household income
$55,981
Per capita income
$423,800
Median home value
$0
Median monthly rent
92.0%
Home ownership
1.5%
Poverty rate
5.6%
Unemployment
487
Housing units
15.5%
Bachelor's or higher

Age distribution

Male Female
24
Under 5
20
12
5–9
10
61
10–14
52
32
15–19
27
30
20–24
25
42
25–34
36
80
35–44
68
73
45–54
63
69
55–59
59
69
60–64
60
98
65–74
83
48
75–84
41
31
85+
27
← Male
Female →

Age summary

GroupCount%
Under 1819816.0%
18 and over1,04284.0%
65 and over32826.5%
Median age54.1 years

Race & ethnicity

White 76.8%
Black or African American 20.8%
Asian 1.4%
Two or more races 1%
GroupCount%
White95276.8%
Black or African American25820.8%
Asian171.4%
Two or more races131%

Household income

Under $10k 2.7%
$15k–$25k 6.4%
$25k–$35k 9.3%
$35k–$50k 10.7%
$50k–$75k 4.7%
$75k–$100k 3.3%
$100k–$150k 30.9%
$150k–$200k 14.0%
$200k+ 18.0%
Range% of households
Under $10k2.7%
$15k–$25k6.4%
$25k–$35k9.3%
$35k–$50k10.7%
$50k–$75k4.7%
$75k–$100k3.3%
$100k–$150k30.9%
$150k–$200k14.0%
$200k+18.0%
Median income$112,625

Housing

Home values

Under $50k 3.6%
$200k–$300k 29.2%
$300k–$500k 32.6%
$500k–$1M 15.2%
$1M+ 19.3%

Housing overview

MetricValue
Median home value$423,800
Median rent / month$0
Owner occupied92.0%
Renter occupied8.0%
Vacant14.0%
Single-family detached94.3%
Large apartment buildings0.0%
Mobile homes4.2%
Median rooms6.4
Avg household size (owned)2.84

Year built

Era%
2020 or later0.0%
2010–20199.0%
2000–200913.6%
1990–199914.9%
1980–19899.9%
1970–197911.5%
1960–196918.4%
1950–19596.1%
1940–19491.9%
1939 or earlier14.7%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.5%
2 bedrooms18.4%
3 bedrooms59.1%
4 bedrooms16.4%
5+ bedrooms4.6%

Vehicles per household

Vehicles% of households
No vehicle6.4%
1 vehicle17.1%
2 vehicles37.1%
3 or more39.3%

Heating fuel

Fuel type%
Utility gas2.2%
Electricity35.1%
Propane / LP gas11.1%
Fuel oil40.9%
Wood4.7%
No fuel used6.0%

Households & families

Household typeCount%
Married-couple family24253.8%
Cohabiting couple398.7%
Male householder, no spouse10322.9%
Female householder, no spouse6614.7%
Households with children under 1810824.0%
Households with seniors (65+)23953.1%
Average household size2.76

Marital status

StatusMaleFemale
Never married32.5%21.7%
Married46.6%48.3%
Separated0.0%0.0%
Widowed12.8%9.5%
Divorced8.1%20.5%

Education

Less than 9th grade 6.2%
Some HS, no diploma 7.3%
HS graduate 41.4%
Some college, no degree 19.2%
Associate's degree 10.3%
Bachelor's degree 7.7%
Graduate / professional 7.8%
Metric%
HS diploma or higher86.5%
Bachelor's or higher15.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten93.8%
Elementary school9037.7%
High school5422.6%
College / grad school8636.0%

Employment

Industry of employment

Education & healthcare 26.2%
Public administration 16.6%
Construction 11.4%
Retail trade 11.2%
Professional & management 8.1%
Other services 6.7%
Manufacturing 6.3%
Transportation & utilities 5.9%
Arts, food & hospitality 5.3%
Finance & real estate 1.4%
Wholesale trade 0.8%

Occupation

Category%
Management, business & arts47.9%
Service18.7%
Sales & office16.4%
Natural resources & construction12.2%
Production & transportation4.7%

Employment type

Type%
Private sector76.9%
Government16.6%
Self-employed6.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone64.7%
Carpool16.2%
Public transit2.0%
Walk0.0%
Other means0.8%
Avg commute (minutes)52.6

Poverty

All people 1.5%
Under 18 years 0.0%
18 and over 1.7%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security57.3%
Retirement income42.7%
Supplemental Security8.2%
Cash public assistance1.8%
Food stamps / SNAP4.0%

Health indicators

Condition%
High blood pressure42.5%
High cholesterol39.7%
Heart disease8.6%
Stroke4.0%
Asthma10.1%
Arthritis33.3%
Kidney disease3.6%
Pulmonary disease8.8%
Cancer8.6%
Behavior / access%
Binge drinking13.3%
No physical activity27.2%
Less than 7 hrs sleep35.8%
Fair or poor health15.7%
Poor mental health14.0%
Poor physical health10.9%
No health insurance11.0%
Visited doctor (checkup)78.9%
Visited dentist64.2%
Cholesterol screening92.1%
Teeth loss15.0%

Veterans & disability

VeteransCount%
Civilian veterans272.6%
Disability%
Any disability9.5%
Under 180.0%
18–64 years9.2%
65 and over15.9%

Health insurance coverage

Type%
Private insurance69.9%
Public insurance44.9%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,19696.5%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,23399.4%
Born in same state1,20697.3%
Born in different state91373.6%
Foreign born272.2%
Naturalized citizen70.6%
Not a US citizen7100.0%

Ancestry

AncestryCount%
French15712.7%
Italian1008.1%
AncestryCount%
Arab564.5%

Technology access

Metric% of households
Computer access36.3%
Internet access88.2%

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

Frequently asked questions
What ZIP codes does Avenue, MD have?
Avenue, MD has one ZIP code: 20609. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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