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Zip Code 21742 — Hagerstown, MD

21742 is a ZIP Code associated with Hagerstown, MD, located within Washington. The postal region supports an estimated population of 34,069 residents across Data Pending housing units, with a population density of 282.9 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.673630, -77.659280)

Data Metric	Local Statistic
Postal / Zip Code	21742
Primary City	Hagerstown
State / Province	MD
County	Washington
Total Population	34,069
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	282.9 people/sq mi
Timezone	America/New_York

How 21742 Compares

Metric	ZIP 21742	Washington County	MD State Average
Population	34,069	159,858	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	282.9 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21767	Maugansville	4.9 mi	1,031	N/A
Zip 21740	Hagerstown	5.1 mi	64,792	N/A
Zip 21734	Funkstown	5.2 mi	1,076	N/A
Zip 21783	Smithsburg	5.6 mi	9,910	N/A
Zip 21746	Hagerstown	8.0 mi	2,361	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →