21821 Frequently Asked Questions

A: ZIP Code 21821 is Located in Deal Island Maryland. Portions of 21821 are also in Dames Quarter, Chance.

A: ZIP Code 21821 is Located Entirely in Somerset County Maryland.

A: The Current Sales Tax in ZIP Code 21821 is 6.0%

A: The Area Codes for 21821 are 410, 443 and 667

A: ZIP Code 21821 is in the Maryland 1st Congressional District.

A: ZIP Code 21821 is in Maryland State House of Delegates District 38A.

A: ZIP Code 21821 is in Maryland State Senate District 38.

A: The 2022 population of ZIP Code 21821 is 765. The population growth rate in 21821 is -26.58%. The population density of 21821 is 35.

A: The majority race/ethnicity of people residing in 21821 is White (90.52%). The majority race/ethnicity of students attending public schools in 21821 is White(80.99%).

A: The median household income in 21821 is $36,875 (2021) and the average adjusted income is $201,870 (2021).
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