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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Maryland Line, MD

Maryland Line, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21105P.O. BoxBaltimore65443 / 410

Timezone(s):Eastern (GMT -05:00)
Population:65 (More Details)
Male Population:31
Female Population:34
Median Age:40
ZIP Codes:1
Area Codes:2
Total Area:682 square miles (county)
Land Area:598 square miles (county)
Water Area:83 square miles (county)

Maryland Line, MD Demographic Information *

There is no Census data for the city of MARYLAND LINE, MD. We have pulled information for the ZIP Code 21105 instead.
Total population65
Male population31
Female population34
Median age (years)39.5
White Population58
Black Population0
Indian Population0
Asian Population2
Hawaiian Population0
Hispanic Population9
Median age (Male)43.3
Median age (Female)33
Total households25
Family households (families)17
Average household size2.6
Average family size2.94
Total housing units28
* Demographic data is based on 2010 Census.

Maryland Line, MD Other Information

181 Cities within 30 miles of Maryland Line, 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],