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ZIP Code Database - Facts & Stats

Data Last Updated: September 1, 2021

ZIP Codes for City of Rock Hall, MD

Rock Hall, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21661StandardKent2,653410 / 667

Timezone(s):Eastern (GMT -05:00)
Counties:KENT, MD
Population:1,310 (More Details)
Male Population:618
Female Population:692
Median Age:54
ZIP Codes:1
Area Codes:2
Total Area:413 square miles (county)
Land Area:277 square miles (county)
Water Area:136 square miles (county)

Rock Hall, MD Demographic Information *

Total population1,310
Male population618
Female population692
Median age (years)54.3
White Population1,205
Black Population76
Indian Population0
Asian Population3
Hawaiian Population0
Hispanic Population20
Median age (Male)53.6
Median age (Female)54.9
Total households630
Family households (families)374
Average household size2.05
Average family size2.57
Total housing units930
* Demographic data is based on 2010 Census.

Rock Hall, MD Other Information

151 Cities within 30 miles of Rock Hall, MD Products


  1. U.S. Postal Service [Last Updated: 9/1/2021],
  2. Internal Data Creation [Last Updated: 9/1/2021],
  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],