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Zip Code 20815 — Chevy Chase, MD

ZIP Code 20815 is associated with Chevy Chase, MD, in Montgomery County. The listed population estimate is 30,505; estimated density is 2,187.4 people per square mile. Among records with population estimates, it ranks #16 of 46 in Montgomery County and #82 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.983690, -77.078450)

Data MetricLocal Statistic
Postal / Zip Code20815
Primary CityChevy Chase
State / ProvinceMD
CountyMontgomery
Total Population30,505
Population Density2,187.4 people/sq mi
TimezoneAmerica/New_York

How 20815 Compares

MetricZIP 20815Montgomery County recordsMD records
Population estimate30,5051,076,754 (sum)6,205,597 (sum)
Population Density2,187.4 /sq mi----
County population rank#16 of 46----
State population rank#82 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 20889Bethesda1.4 mi584
ZIP 20894Bethesda1.5 miN/A
ZIP 20892Bethesda1.8 miN/A
ZIP 20814Bethesda2.0 mi32,795
ZIP 20910Silver Spring2.6 mi45,943

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 →