20838 Frequently Asked Questions

A: ZIP Code 20838 is Located in Barnesville Maryland.

A: ZIP Code 20838 is Located Entirely in Montgomery County Maryland.

A: The Current Sales Tax in ZIP Code 20838 is 6.0%

A: The Area Codes for 20838 are 240 and 301

A: ZIP Code 20838 is in the Maryland 6th Congressional District.

A: ZIP Code 20838 is in Maryland State House of Delegates District 15.

A: ZIP Code 20838 is in Maryland State Senate District 15.

A: The 2022 population of ZIP Code 20838 is 368. The population growth rate in 20838 is 52.10%. The population density of 20838 is 110.

A: The majority race/ethnicity of people residing in 20838 is White (82.03%).

A: The median household income in 20838 is $141,667 (2021) and the average adjusted income is $480,080 (2021).