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Zip Code 21783 — Smithsburg, MD

21783 is a ZIP Code associated with Smithsburg, MD, located within Washington. The postal region supports an estimated population of 9,910 residents across Data Pending housing units, with a population density of 80.4 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.648850, -77.559030)

Data Metric	Local Statistic
Postal / Zip Code	21783
Primary City	Smithsburg
State / Province	MD
County	Washington
Total Population	9,910
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	80.4 people/sq mi
Timezone	America/New_York

How 21783 Compares

Metric	ZIP 21783	Washington County	MD State Average
Population	9,910	159,858	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	80.4 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21719	Cascade	5.0 mi	1,178	N/A
Zip 21780	Sabillasville	5.2 mi	2,159	N/A
Zip 21742	Hagerstown	5.6 mi	34,069	N/A
Zip 21773	Myersville	7.7 mi	5,826	N/A
Zip 21734	Funkstown	8.3 mi	1,076	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 →