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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Mount Rainier, MD

Mount Rainier, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 20712StandardPrince Georges9,031

Timezone(s):Eastern (GMT -05:00)
Population:8,080 (More Details)
Male Population:3,989
Female Population:4,091
Median Age:33
ZIP Codes:1
Area Codes:2
Total Area:499 square miles (county)
Land Area:483 square miles (county)
Water Area:16 square miles (county)

Mount Rainier, MD Demographic Information *

Total population8,080
Male population3,989
Female population4,091
Median age (years)32.7
White Population1,606
Black Population4,263
Indian Population47
Asian Population187
Hawaiian Population4
Hispanic Population2,536
Median age (Male)32.5
Median age (Female)33
Total households3,344
Family households (families)1,735
Average household size2.41
Average family size3.27
Total housing units3,601
* 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],