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Zip Code 21536 — Grantsville, MD

ZIP Code 21536 is associated with Grantsville, MD, in Garrett County. The listed population estimate is 3,833; estimated density is 15.1 people per square mile. Among records with population estimates, it ranks #2 of 10 in Garrett County and #255 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.656190, -79.169240)

Data MetricLocal Statistic
Postal / Zip Code21536
Primary CityGrantsville
State / ProvinceMD
CountyGarrett
Total Population3,833
Population Density15.1 people/sq mi
TimezoneAmerica/New_York

How 21536 Compares

MetricZIP 21536Garrett County recordsMD records
Population estimate3,83329,879 (sum)6,205,597 (sum)
Population Density15.1 /sq mi----
County population rank#2 of 10----
State population rank#255 of 470----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MD

ZIP CodeCityDistancePopulation estimate
ZIP 21520Accident7.5 mi1,918
ZIP 21539Lonaconing9.3 mi1,975
ZIP 21521Barton9.7 mi1,400
ZIP 21561Swanton11.0 mi2,412
ZIP 21543Midlothian11.1 mi185

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 →