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Zip Code 21711 — Big Pool, MD

21711 is a ZIP Code associated with Big Pool, MD, located within Washington. The postal region supports an estimated population of 929 residents across Data Pending housing units, with a population density of 14.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.668080, -78.012470)

Data Metric	Local Statistic
Postal / Zip Code	21711
Primary City	Big Pool
State / Province	MD
County	Washington
Total Population	929
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	14.6 people/sq mi
Timezone	America/New_York

How 21711 Compares

Metric	ZIP 21711	Washington County	MD State Average
Population	929	159,858	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	14.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21722	Clear Spring	5.2 mi	6,721	N/A
Zip 21750	Hancock	10.7 mi	3,417	N/A
Zip 21795	Williamsport	11.5 mi	10,144	N/A
Zip 21767	Maugansville	14.3 mi	1,031	N/A
Zip 21740	Hagerstown	14.8 mi	64,792	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 →