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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Warwick, MD

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Counties:CECIL, MD
Area Code(s):667, 410
Timezone(s):Eastern (GMT -05:00)
City Population:1,240 (More Details)
CBSA:Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
Congressional District(s):01
Land Area:346 square miles (county)
Water Area:72 square miles (county)

1 ZIP Code

Warwick, MD ZIP Code Boundaries

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Warwick, MD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Warwick, MD Demographic Information *

There is no Census data for the city of WARWICK, MD. We have pulled information for the ZIP Code 21912 instead.
Total population**1,240
Male population637
Female population603
Median age (years)40.9
White Population1,068
Black Population96
Indian Population2
Asian Population4
Hawaiian Population0
Hispanic Population77
Median age (Male)41
Median age (Female)40.9
Total households460
Family households (families)345
Average household size2.7
Average family size3.05
Total housing units511
* Demographic data is based on 2010 Census for the City of WARWICK.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  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],