21157 Frequently Asked Questions

A: ZIP Code 21157 is Located in Westminster Maryland. Portions of 21157 are also in Eldersburg.

A: ZIP Code 21157 is Located Entirely in Carroll County Maryland.

A: The Current Sales Tax in ZIP Code 21157 is 6.0%

A: The Area Codes for 21157 are 410, 443 and 667

A: ZIP Code 21157 is in the Maryland 2nd Congressional District.

A: 21157 is within Maryland State House of Delegates District 05 and Maryland State House of Delegates District 42C.

A: 21157 is within Maryland State Senate District 05 and Maryland State Senate District 42.

A: The 2022 population of ZIP Code 21157 is 39816. The population growth rate in 21157 is 7.49%.

A: The majority race/ethnicity of people residing in 21157 is White (90.82%). The majority race/ethnicity of students attending public schools in 21157 is White(76.35%).

A: The median household income in 21157 is $92,846 (2021) and the average adjusted income is $340,430 (2021).