21791 Frequently Asked Questions

A: ZIP Code 21791 is Located in Union Bridge Maryland. Portions of 21791 are also in Libertytown.

A: ZIP Code 21791 is Located Primarily in Frederick County Maryland with Portions in Carroll County.

A: The Current Sales Tax in ZIP Code 21791 is 6.0%

A: The Area Codes for 21791 are 240, 301, 410, 443 and 667

A: 21791 is within by the Maryland 6th Congressional District and the Maryland 2nd Congressional District.

A: 21791 is within Maryland State House of Delegates District 04 and Maryland State House of Delegates District 05.

A: 21791 is within Maryland State Senate District 04 and Maryland State Senate District 05.

A: The 2022 population of ZIP Code 21791 is 4855. The population growth rate in 21791 is 0.00%. The population density of 21791 is 103.

A: The majority race/ethnicity of people residing in 21791 is White (94.60%). The majority race/ethnicity of students attending public schools in 21791 is White(88.09%).

A: The median household income in 21791 is $93,578 (2021) and the average adjusted income is $388,430 (2021).