20688 Frequently Asked Questions

A: ZIP Code 20688 is Located in Solomons Maryland. Portions of 20688 are also in Dowell.

A: ZIP Code 20688 is Located Entirely in Calvert County Maryland.

A: The Current Sales Tax in ZIP Code 20688 is 6.0%

A: The Area Codes for 20688 are 410, 443 and 667

A: ZIP Code 20688 is in the Maryland 5th Congressional District.

A: ZIP Code 20688 is in Maryland State House of Delegates District 29C.

A: ZIP Code 20688 is in Maryland State Senate District 29.

A: The 2022 population of ZIP Code 20688 is 1170. The population growth rate in 20688 is -22.09%. The population density of 20688 is 308.

A: The majority race/ethnicity of people residing in 20688 is White (99.57%).

A: The median household income in 20688 is $115,680 (2021) and the average adjusted income is $328,610 (2021).