ZIP code · Rockville · Maryland · United States

ZIP code 20850 — Rockville

Name: Rockville (20850)
Address: Maryland, 20850, US

ZIP code 20850 serves Rockville, Maryland.

Postal code: 20850
Single source Value from one source, not cross-checked.
City: Rockville
County: Montgomery
State: Maryland
Country: United States
Coordinates: 39.0870, -77.1680 — precision precise (locality)
View on OpenStreetMap
Population: 50,365 (ZCTA, ACS 5-year)
Median household income: $122,691
Median age: 40.8

Nearby localities

20883Gaithersburg · 1.0 km
20855Derwood · 5.6 km
20854Potomac · 5.8 km
20880Washington Grove · 5.8 km
20877Gaithersburg · 6.4 km
20813Bethesda · 7.2 km
20827Bethesda · 7.2 km
20889Bethesda · 7.2 km
20894Bethesda · 7.2 km
20884Gaithersburg · 7.2 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page