← Look up another ZIP code · All towns in Maryland
ZIP code 20851
Rockville, MD · Montgomery County
About ZIP code 20851
- ZIP code 20851 is in Rockville, Montgomery County, Maryland.
- About 14,946 people live in it, which is 2,276.1 people per square mile.
- Time zone: Eastern Standard Time.
- The middle of the ZIP code is at 39.078, -77.121.
A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.
Rockville, MD
ZIP code 20851 is the post office name for Rockville, MD. 67,671 people live in Rockville. Typical household income is $128,649. A typical home costs $682,300.
- Stronger than most towns on: Public transit, Diversity & community and Home internet and working from home.
- Weaker than most towns on: Cost of living, Space and yard size and Housing affordability.
Other ZIP codes in Rockville
Nearby ZIP codes
- 20852 Rockville · 48,180 people
- 20853 Rockville · 31,851 people
- 20896 Garrett Park · 932 people
- 20850 Rockville · 50,353 people
- 20906 Silver Spring · 70,595 people
- 20855 Derwood · 17,279 people
- 20895 Kensington · 19,184 people
- 20902 Silver Spring · 54,261 people
ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.