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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Sunderland, MD

Sunderland, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 20689StandardCalvert1,694

Timezone(s):Eastern (GMT -05:00)
Counties:CALVERT, MD
Population:1,694 (More Details)
Male Population:816
Female Population:878
Median Age:43
ZIP Codes:1
Area Codes:1
Total Area:345 square miles (county)
Land Area:213 square miles (county)
Water Area:132 square miles (county)

Sunderland, MD Demographic Information *

There is no Census data for the city of SUNDERLAND, MD. We have pulled information for the ZIP Code 20689 instead.
Total population1,694
Male population816
Female population878
Median age (years)43.3
White Population1,197
Black Population437
Indian Population3
Asian Population10
Hawaiian Population2
Hispanic Population66
Median age (Male)43.4
Median age (Female)43.2
Total households558
Family households (families)474
Average household size3.04
Average family size3.27
Total housing units579
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],