21140 Frequently Asked Questions

A: ZIP Code 21140 is Located in Riva Maryland.

A: ZIP Code 21140 is Located Entirely in Anne Arundel County Maryland.

A: The Current Sales Tax in ZIP Code 21140 is 6.0%

A: The Area Codes for 21140 are 410, 443 and 667

A: ZIP Code 21140 is in the Maryland 5th Congressional District.

A: 21140 is within Maryland State House of Delegates District 30B and Maryland State House of Delegates District 33B.

A: 21140 is within Maryland State Senate District 30 and Maryland State Senate District 33.

A: The 2022 population of ZIP Code 21140 is 4255. The population growth rate in 21140 is 27.05%. The population density of 21140 is 2,836.

A: The majority race/ethnicity of people residing in 21140 is White (93.80%).

A: The median household income in 21140 is $131,382 (2021) and the average adjusted income is $362,660 (2021).