Home > MD > Calvert County > Port Republic > Zip 20676

Zip Code 20676 — Port Republic, MD

20676 is a ZIP Code associated with Port Republic, MD, located within Calvert. The postal region supports an estimated population of 3,218 residents across Data Pending housing units, with a population density of 86.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.486900, -76.547880)

Data MetricLocal Statistic
Postal / Zip Code20676
Primary CityPort Republic
State / ProvinceMD
CountyCalvert
Total Population3,218
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density86.1 people/sq mi
TimezoneAmerica/New_York

How 20676 Compares

MetricZIP 20676Calvert CountyMD State Average
Population3,21892,0156,205,597
Median IncomeData PendingN/AN/A
Population Density86.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 20678Prince Frederick3.7 mi12,752N/A
Zip 20685Saint Leonard3.8 mi6,866N/A
Zip 20615Broomes Island4.6 mi460N/A
Zip 20612Benedict7.2 mi148N/A
Zip 20639Huntingtown9.0 mi15,544N/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 →