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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of California, MD

California, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 20619StandardSaint Marys10,503301

Timezone(s):Eastern (GMT -05:00)
Population:11,857 (More Details)
Male Population:5,842
Female Population:6,015
Median Age:35
ZIP Codes:1
Area Codes:1
Total Area:764 square miles (county)
Land Area:357 square miles (county)
Water Area:407 square miles (county)

California, MD Demographic Information *

Total population11,857
Male population5,842
Female population6,015
Median age (years)34.5
White Population8,379
Black Population2,169
Indian Population54
Asian Population543
Hawaiian Population11
Hispanic Population678
Median age (Male)33.7
Median age (Female)35.3
Total households4,362
Family households (families)3,107
Average household size2.71
Average family size3.18
Total housing units4,697
* Demographic data is based on 2010 Census.

California, MD Other Information

121 Cities within 30 miles of California, 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],