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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Port Republic, MD

Port Republic, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 20676StandardCalvert3,871

Timezone(s):Eastern (GMT -05:00)
Counties:CALVERT, MD
Population:3,871 (More Details)
Male Population:1,934
Female Population:1,937
Median Age:42
ZIP Codes:1
Area Codes:3
Total Area:345 square miles (county)
Land Area:213 square miles (county)
Water Area:132 square miles (county)

Port Republic, MD Demographic Information *

There is no Census data for the city of PORT REPUBLIC, MD. We have pulled information for the ZIP Code 20676 instead.
Total population3,871
Male population1,934
Female population1,937
Median age (years)42.2
White Population3,203
Black Population523
Indian Population18
Asian Population43
Hawaiian Population0
Hispanic Population88
Median age (Male)41.9
Median age (Female)42.5
Total households1,336
Family households (families)1,057
Average household size2.89
Average family size3.23
Total housing units1,545
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 11/1/2022],
  2. Internal Data Creation [Last Updated: 11/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],