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Zip Code 21550 — Oakland, MD

ZIP Code 21550 is associated with Oakland, MD, in Garrett County. The listed population estimate is 13,691; estimated density is 25.7 people per square mile. Among records with population estimates, it ranks #1 of 10 in Garrett County and #162 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.391070, -79.390850)

Data MetricLocal Statistic
Postal / Zip Code21550
Primary CityOakland
State / ProvinceMD
CountyGarrett
Total Population13,691
Population Density25.7 people/sq mi
TimezoneAmerica/New_York

How 21550 Compares

MetricZIP 21550Garrett County recordsMD records
Population estimate13,69129,879 (sum)6,205,597 (sum)
Population Density25.7 /sq mi----
County population rank#1 of 10----
State population rank#162 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 21538Kitzmiller9.1 mi678
ZIP 21541McHenry11.6 mi1,335
ZIP 21561Swanton12.4 mi2,412
ZIP 21520Accident17.5 mi1,918
ZIP 21523Bloomington17.7 mi150

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 →