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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Prince Frederick, MD

Prince Frederick, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 20678StandardCalvert11,045

Timezone(s):Eastern (GMT -05:00)
Counties:CALVERT, MD
Population:2,538 (More Details)
Male Population:1,060
Female Population:1,478
Median Age:38
ZIP Codes:1
Area Codes:3
Total Area:345 square miles (county)
Land Area:213 square miles (county)
Water Area:132 square miles (county)

Prince Frederick, MD Demographic Information *

Total population2,538
Male population1,060
Female population1,478
Median age (years)38.1
White Population1,531
Black Population798
Indian Population5
Asian Population81
Hawaiian Population0
Hispanic Population69
Median age (Male)33.9
Median age (Female)42.2
Total households1,038
Family households (families)565
Average household size2.26
Average family size3.05
Total housing units1,111
* 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],