21664 Frequently Asked Questions

A: ZIP Code 21664 is Located in Secretary Maryland.

A: ZIP Code 21664 is Located Entirely in Dorchester County Maryland.

A: The Current Sales Tax in ZIP Code 21664 is 6.0%

A: The Area Codes for 21664 are 410, 443 and 667

A: ZIP Code 21664 is in the Maryland 1st Congressional District.

A: ZIP Code 21664 is in Maryland State House of Delegates District 37B.

A: ZIP Code 21664 is in Maryland State Senate District 37.

A: The 2022 population of ZIP Code 21664 is 642. The population growth rate in 21664 is 4.52%. The population density of 21664 is 2,939.

A: The majority race/ethnicity of people residing in 21664 is White (68.95%). The majority race/ethnicity of students attending public schools in 21664 is White(85.05%).

A: The median household income in 21664 is $70,288 (2021) and the average adjusted income is $-1 ().