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Zip Code 21779 — Rohrersville, MD

21779 is a ZIP Code associated with Rohrersville, MD, located within Washington. The postal region supports an estimated population of 1,311 residents across Data Pending housing units, with a population density of 52.0 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.424470, -77.653980)

Data Metric	Local Statistic
Postal / Zip Code	21779
Primary City	Rohrersville
State / Province	MD
County	Washington
Total Population	1,311
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	52.0 people/sq mi
Timezone	America/New_York

How 21779 Compares

Metric	ZIP 21779	Washington County	MD State Average
Population	1,311	159,858	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	52.0 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21718	Burkittsville	2.6 mi	134	N/A
Zip 21715	Brownsville	3.2 mi	20	N/A
Zip 21756	Keedysville	3.4 mi	3,640	N/A
Zip 21769	Middletown	5.0 mi	11,965	N/A
Zip 21758	Knoxville	5.5 mi	4,409	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 →