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Zip Code 21740 — Hagerstown, MD

21740 is a ZIP Code associated with Hagerstown, MD, located within Washington. The postal region supports an estimated population of 64,792 residents across Data Pending housing units, with a population density of 352.9 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.632330, -77.739020)

Data Metric	Local Statistic
Postal / Zip Code	21740
Primary City	Hagerstown
State / Province	MD
County	Washington
Total Population	64,792
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	352.9 people/sq mi
Timezone	America/New_York

How 21740 Compares

Metric	ZIP 21740	Washington County	MD State Average
Population	64,792	159,858	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	352.9 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21734	Funkstown	2.6 mi	1,076	N/A
Zip 21781	Saint James	4.4 mi	25	N/A
Zip 21767	Maugansville	4.5 mi	1,031	N/A
Zip 21746	Hagerstown	4.8 mi	2,361	N/A
Zip 21742	Hagerstown	5.1 mi	34,069	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 →