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Zip Code 20852 — Rockville, MD

ZIP Code 20852 is associated with Rockville, MD, in Montgomery County. The listed population estimate is 48,180; estimated density is 2,303.9 people per square mile. Among records with population estimates, it ranks #8 of 46 in Montgomery County and #23 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.051340, -77.125070)

Data MetricLocal Statistic
Postal / Zip Code20852
Primary CityRockville
State / ProvinceMD
CountyMontgomery
Total Population48,180
Population Density2,303.9 people/sq mi
TimezoneAmerica/New_York

How 20852 Compares

MetricZIP 20852Montgomery County recordsMD records
Population estimate48,1801,076,754 (sum)6,205,597 (sum)
Population Density2,303.9 /sq mi----
County population rank#8 of 46----
State population rank#23 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 20851Rockville1.8 mi14,946
ZIP 20896Garrett Park2.0 mi932
ZIP 20895Kensington3.0 mi19,184
ZIP 20814Bethesda3.4 mi32,795
ZIP 20892Bethesda3.7 miN/A

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 →