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Zip Code 20901 — Silver Spring, MD

ZIP Code 20901 is associated with Silver Spring, MD, in Montgomery County. The listed population estimate is 36,435; estimated density is 2,630.3 people per square mile. Among records with population estimates, it ranks #12 of 46 in Montgomery County and #62 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.021550, -77.009190)

Data MetricLocal Statistic
Postal / Zip Code20901
Primary CitySilver Spring
State / ProvinceMD
CountyMontgomery
Total Population36,435
Population Density2,630.3 people/sq mi
TimezoneAmerica/New_York

How 20901 Compares

MetricZIP 20901Montgomery County recordsMD records
Population estimate36,4351,076,754 (sum)6,205,597 (sum)
Population Density2,630.3 /sq mi----
County population rank#12 of 46----
State population rank#62 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 20903Silver Spring1.5 mi24,815
ZIP 20910Silver Spring2.0 mi45,943
ZIP 20902Silver Spring2.3 mi54,261
ZIP 20783Hyattsville2.6 mi50,333
ZIP 20912Takoma Park2.8 mi25,749

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 →