21640 Frequently Asked Questions

A: ZIP Code 21640 is Located in Henderson Maryland.

A: ZIP Code 21640 is Located Primarily in Caroline County Maryland with Portions in Queen Annes County.

A: The Current Sales Tax in ZIP Code 21640 is 6.0%

A: The Area Codes for 21640 are 410, 443 and 667

A: ZIP Code 21640 is in the Maryland 1st Congressional District.

A: ZIP Code 21640 is in Maryland State House of Delegates District 36.

A: ZIP Code 21640 is in Maryland State Senate District 36.

A: The 2022 population of ZIP Code 21640 is 1374. The population growth rate in 21640 is 0.00%.

A: The majority race/ethnicity of people residing in 21640 is White (68.65%).

A: The median household income in 21640 is $70,875 (2021) and the average adjusted income is $165,110 (2021).