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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Jefferson, MD

Jefferson, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21755StandardFrederick5,591301 / 240

Timezone(s):Eastern (GMT -05:00)
Population:2,111 (More Details)
Male Population:1,018
Female Population:1,093
Median Age:41
ZIP Codes:1
Area Codes:2
Total Area:667 square miles (county)
Land Area:660 square miles (county)
Water Area:7 square miles (county)

Jefferson, MD Demographic Information *

Total population2,111
Male population1,018
Female population1,093
Median age (years)41.4
White Population1,978
Black Population46
Indian Population4
Asian Population43
Hawaiian Population0
Hispanic Population46
Median age (Male)41.4
Median age (Female)41.4
Total households788
Family households (families)611
Average household size2.68
Average family size3.06
Total housing units822
* Demographic data is based on 2010 Census.

Jefferson, MD Other Information

156 Cities within 30 miles of Jefferson, MD Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],