20854 is zip code located in Potomac, Maryland. The population is 49,714, making 20854 the largest zipcode in Potomac and the 5th largest in Montgomery County.
There are 7 public schools in 20854 with an average Homefacts rating of A. , and there are 8 registered sex offenders residing in the zip code 20854. Unemployment in 20854 is moderate.
Zip codes within Potomac include 20859.