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Zip Code 21531 — Friendsville, MD

ZIP Code 21531 is associated with Friendsville, MD, in Garrett County. The listed population estimate is 2,487; estimated density is 15.7 people per square mile. Among records with population estimates, it ranks #3 of 10 in Garrett County and #292 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.648620, -79.422210)

Data MetricLocal Statistic
Postal / Zip Code21531
Primary CityFriendsville
State / ProvinceMD
CountyGarrett
Total Population2,487
Population Density15.7 people/sq mi
TimezoneAmerica/New_York

How 21531 Compares

MetricZIP 21531Garrett County recordsMD records
Population estimate2,48729,879 (sum)6,205,597 (sum)
Population Density15.7 /sq mi----
County population rank#3 of 10----
State population rank#292 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 21520Accident6.1 mi1,918
ZIP 21541McHenry7.0 mi1,335
ZIP 21536Grantsville13.5 mi3,833
ZIP 21561Swanton15.5 mi2,412
ZIP 21550Oakland17.9 mi13,691

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 →