20878 Frequently Asked Questions

A: ZIP Code 20878 is Located in Gaithersburg Maryland. Portions of 20878 are also in Darnestown, North Potomac, Travilah, Germantown.

A: ZIP Code 20878 is Located Entirely in Montgomery County Maryland.

A: The Current Sales Tax in ZIP Code 20878 is 6.0%

A: The Area Codes for 20878 are 240 and 301

A: 20878 is within by the Maryland 6th Congressional District and the Maryland 8th Congressional District.

A: 20878 is within Maryland State House of Delegates District 15, Maryland State House of Delegates District 17 and Maryland State House of Delegates District 39.

A: 20878 is within Maryland State Senate District 15, Maryland State Senate District 17 and Maryland State Senate District 39.

A: The 2022 population of ZIP Code 20878 is 65954. The population growth rate in 20878 is 0.00%. The population density of 20878 is 3,157.

A: The majority race/ethnicity of people residing in 20878 is White (50.02%). The majority race/ethnicity of students attending public schools in 20878 is White(33.45%).

A: The median household income in 20878 is $130,469 (2021) and the average adjusted income is $434,240 (2021).