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Zip Code 20842 — Dickerson, MD

ZIP Code 20842 is associated with Dickerson, MD, in Montgomery County. The listed population estimate is 2,369; estimated density is 16.4 people per square mile. Among records with population estimates, it ranks #35 of 46 in Montgomery County and #299 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.208310, -77.424730)

Data MetricLocal Statistic
Postal / Zip Code20842
Primary CityDickerson
State / ProvinceMD
CountyMontgomery
Total Population2,369
Population Density16.4 people/sq mi
TimezoneAmerica/New_York

How 20842 Compares

MetricZIP 20842Montgomery County recordsMD records
Population estimate2,3691,076,754 (sum)6,205,597 (sum)
Population Density16.4 /sq mi----
County population rank#35 of 46----
State population rank#299 of 470----

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

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Nearby ZIP Codes in MD

ZIP CodeCityDistancePopulation estimate
ZIP 20839Bealsville2.1 mi158
ZIP 20838Barnesville3.0 mi306
ZIP 21790Tuscarora5.2 mi170
ZIP 20841Boyds5.5 mi9,969
ZIP 21710Adamstown6.2 mi4,661

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 →