ZIP Code 20609 in Avenue, MD

Data Last Updated: October 1, 2025
City:Avenue, Maryland
County:Saint Marys County
Timezone:Eastern (GMT -05:00)
Local Time:12:20:14 AM
Population:1,076 [See All]
Area Codes:227 / 301 / 324 / 369
Classification:Standard [Normal Street Delivery]
Coordinates:38.2693, -76.7497
Land Area:10.017 sq mi
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Population & Demographics


ZIP Code 20609 has 1,076 residents and 481 households (average 2.24 persons per household). The median age is 48.1 years, significantly older than the state (38.8) and significantly older than the nation (38.8). The gender split is 49.0% male and 51.0% female, which is about the same as the state male share (48.2%), making this a female-majority area. Largest groups are White (90.1%, much higher than the state average of 48.7% and well above the national average of 61.6%) and Black or African American (5.7%, much lower than the state average of 29.5%); Hispanic or Latino residents make up 0.9%, which is much lower than the national average (18.7%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:1,076Source: Census DHC
2023 ACS Population Estimate:976Source: Census ACS
2025 ZC Population Estimate:1,003Source: ZIP-Codes.com
Population Density:107.4 people per sq mile
Average Income:$114,181Source: Census ACS
Households:481Source: Census DHC
Average House Value:$474,700Source: Census ACS
Persons Per Household:2.24Source: Census DHC
Average Family Size:2.86Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--9431,0661,0811,0901,1111,0731,1561,1351,1511,2111,6111,240976
Decennial Census1,120------------------1,076------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 48.1

Male Median Age: 50.3

Female Median Age: 47.8

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male3713372918275218191232405347512868
Female202024273329284223574359302416362414
Total573361565156806042697599837167643022
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:97092.56%
Black:615.82%
Hispanic:*100.95%
Asian:30.29%
American Indian:10.10%
Hawaiian:00%
Other:30.29%
Total:1,048100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:52748.98%50.3 years
Females:54951.02%47.8 years
Total:1,076100%48.1 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:95297.54%
Native, born in PR, Island Areas, or abroad:161.64%
Foreign born, naturalized U.S. citizen:80.82%
Foreign born, not a U.S. citizen:00.82%
Total Population:976100%
Total Native Population:96899.18%
Total Foreign-born Population:80.82%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $114,181, which is much higher than the national median ($78,538), is up $35,036 (44.3%) since 2011 and above its 2019 pre-pandemic level by $68,316. Family households earn a median of $125,729 versus $101,724 for nonfamily households (a difference of $24,005). By gender, male median income is $80,521 and female is $89,118, which is considerably higher than the national female median ($53,445), with a current gap of $8,597 that has narrowed from 2011 to 2023. The labor-force participation rate is 50.7%, which is far less than the state rate (67.2%). The unemployment rate is 6.8%, which is far worse than the state rate (4.9%). The largest occupation group is Management (51.6%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$79,145$56,806$53,203$53,954$53,048$40,982$44,009$44,896$45,865$70,972$124,000$112,625$114,181
Median Family Income$85,921$87,750$59,107$65,833$60,893$57,454$63,625$68,611$77,386$93,150$122,463$122,917$125,729
Median NonFamily Income$32,438$28,611$16,071$17,098$16,818$15,339$16,224$16,806$21,037$21,033$0$0$101,724
Median Male Income$52,311$56,450$55,938$59,688$0$42,380$41,469$67,639$68,750$70,063$75,341$59,718$80,521
Median Female Income$43,884$44,900$57,500$52,625$0$50,139$47,250$34,028$0$62,273$118,417$99,702$89,118
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:40947.23%
Unemployed:303.46%
Not In Labor Force:42749.31%
Total:866100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:21151.59%
Service:379.05%
Sales and Office:7117.36%
Natural resources, construction, and maintenance:6616.14%
Production, transportation, and material moving:245.87%
Total Civilian Employed Population:409100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $474,700, which is considerably higher than the national median ($303,400), is up $177,700 (59.83%) since 2011 and above its 2019 pre-pandemic level by $209,200. The median gross rent is $0, which is far less than the state median ($1,662), and below its 2019 pre-pandemic level by $1,536. Of occupied housing, owners make up 91.69% (74.40% with a mortgage, 25.60% free-and-clear) and renters 8.31% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 13.35%, which is considerably higher than the state rate (8.09%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$297,000$280,900$278,600$282,200$286,000$283,300$325,000$291,000$265,500$368,600$331,300$423,800$474,700
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:1132.35%
$1,000 to $1,499:1132.35%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:1235.29%
Total:34100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$0$1,545$1,239$688$953$932$741$0$1,536$0$1,425$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):27968.22%
Owner Occupied (free and clear, no mortgage):9623.47%
Renter Occupied:348.31%
Total Occupied Housing Units:409100%

Occupied Housing Units:40986.65%
Vacant Housing Units (not graphed):6313.35%
Total Housing Units:472100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:44794.70%
Multi-Family Units:00.00%
Other Units:255.30%
Total Housing Units:472100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 21.30% of adults (25+) have a bachelor's degree or higher, which is markedly below the state rate (42.70%). High school or higher is 87.20%, which is on par with the state rate (91.00%). The uninsured rate is 3.90%, which is comparable to the national rate (8.60%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.70%), and below its 2019 pre-pandemic level by 4.40 percentage points. Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is elementary (49.40%). College enrollment is 20.24%, which is on par with the state rate (28.00%), meaning the community mirrors broader higher-education participation.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:779.65%
9th to 12th grade, no diploma:253.13%
High school graduate (includes equivalency):25932.46%
Some college, no degree:18222.81%
Associate's degree:8510.65%
Bachelor's degree:637.89%
Graduate or professional degree:10713.41%
Total:798100%
High school or higher:69687.22%
Bachelor's degree or higher:17021.30%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:74664.70%
Public Insurance:36932.00%
No Insurance:383.30%
Total:1,153100%
Has Health Insurance:1,11596.70%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty0.0%5.9%5.7%9.6%8.0%10.2%9.0%7.7%4.4%3.9%2.6%0.0%0.0%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:00.00%
Elementary school (grades 1-8):8349.40%
High school (grades 9-12):5130.36%
College or graduate school:3420.24%
Total:168100%
Early Childhood:00.00%
K-12 (Primary & Secondary School):13479.76%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 20609 supports both business and residential activity. According to the Business Census (2023), there are 10 business establishments, employing about 38 people with an annual payroll of $1,452,000. USPS data shows 448 residential mailboxes and 7 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:448Source: USPS
# Business Mailboxes:7Source: USPS
Total Delivery Receptacles:571Source: USPS
Single Family Delivery Units:448Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:10Source: CBP
1st Quarter Payroll:$373,000Source: CBP
Annual Payroll:$1,452,000Source: CBP
# of Employees:38Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 20609 is located in Saint Marys County, Maryland, within the Lexington Park, MD Metropolitan Statistical Area (CBSA 30500) and Maryland's 5th Congressional District. This Metro area has a population of 208,163 people, about 0.52% of whom live in ZIP Code 20609. It covers 10.017 sq mi of land and a water area of 3.156 sq mi.

CBSA Name:Lexington Park, MDSource: Census
CBSA Number:30500Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:208,163Source: Census
MSA:Source: Census
Land Area:10.017 sq miSource: Census
Water Area:3.156 sq miSource: Census
Congressional District:05Source: USPS
Congressional Land Area:1481.24 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


20610 | | 20608

Schools in ZIP Code 20609


We could not locate which school district 20609 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Dynard Elementary 23510 Bushwood Rd
Chaptico, MD 20621
District: St. Marys County Public SchoolsNearby
Benjamin Banneker Elementary 27180 Point Lookout Rd
Loveville, MD 20656
District: St. Marys County Public SchoolsNearby
Leonardtown Elementary 22885 Duke St
Leonardtown, MD 20650
District: St. Marys County Public SchoolsNearby
Chopticon High 25390 Colton Point Rd
Morganza, MD 20660
District: St. Marys County Public SchoolsNearby
Captain Walter Francis Duke Elementary 23595 Hayden Farm Lane
Leonardtown, MD 20650
District: St. Marys County Public SchoolsNearby
Little Seedlings Christian Preschool & Kdgn 25550 Point Lookout Rd
Leonardtown, MD 20650
District: Private SchoolNearby
Father Andrew White Sj School 22850 Washington St
Leonardtown, MD 20650
District: Private SchoolNearby
Leonard Hall Jr Naval Academy 41740 Baldridge St
Leonardtown, MD 20650
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 20609


Blades School Of Hair Design 22576-316 Macarthur Blvd
California, MD 20619
Type: Post Secondary
St. Mary's College Of Maryland 47645 College Drive
St. Mary's City, MD 20686
Type: Post Secondary
College Of Southern Maryland 8730 Mitchell Rd
La Plata, MD 20646-0910
Type: Post Secondary
Paul Mitchell The School-Woodbridge 14445 Potomac Mills Road
Woodbridge, VA 22192
Type: Post Secondary
University Of Mary Washington 1301 College Ave
Fredericksburg, VA 22401-5300
Type: Post Secondary
Strayer University-Maryland 5110 Auth Way
Suitland, MD 20746
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov