Home > MD > St. Mary's County > Avenue > Zip 20609

Zip Code 20609 — Avenue, MD

20609 is a ZIP Code associated with Avenue, MD, located within St. Mary's. The postal region supports an estimated population of 714 residents across Data Pending housing units, with a population density of 27.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.271910, -76.746250)

Data MetricLocal Statistic
Postal / Zip Code20609
Primary CityAvenue
State / ProvinceMD
CountySt. Mary's
Total Population714
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density27.5 people/sq mi
TimezoneAmerica/New_York

How 20609 Compares

MetricZIP 20609St. Mary's CountyMD State Average
Population714113,4806,205,597
Median IncomeData PendingN/AN/A
Population Density27.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 20606Abell1.3 mi291N/A
Zip 20618Bushwood2.4 mi1,705N/A
Zip 20626Coltons Point2.9 mi284N/A
Zip 20624Clements4.4 mi796N/A
Zip 20621Chaptico4.8 mi958N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →