20855 Frequently Asked Questions

A: ZIP Code 20855 is Located in Derwood Maryland. Portions of 20855 are also in Redland, Rockville, Gaithersburg.

A: ZIP Code 20855 is Located Entirely in Montgomery County Maryland.

A: The Current Sales Tax in ZIP Code 20855 is 6.0%

A: The Area Codes for 20855 are 240 and 301

A: 20855 is within by the Maryland 8th Congressional District and the Maryland 6th Congressional District.

A: 20855 is within Maryland State House of Delegates District 17 and Maryland State House of Delegates District 19.

A: 20855 is within Maryland State Senate District 17 and Maryland State Senate District 19.

A: The 2022 population of ZIP Code 20855 is 16558. The population growth rate in 20855 is 0.00%. The population density of 20855 is 1,217.

A: The majority race/ethnicity of people residing in 20855 is White (57.85%). The majority race/ethnicity of students attending public schools in 20855 is Hispanic(39.37%).

A: The median household income in 20855 is $139,899 (2021) and the average adjusted income is $384,110 (2021).