20678 Frequently Asked Questions

A: ZIP Code 20678 is Located in Prince Frederick Maryland. Portions of 20678 are also in Barstow.

A: ZIP Code 20678 is Located Entirely in Calvert County Maryland.

A: The Current Sales Tax in ZIP Code 20678 is 6.0%

A: The Area Codes for 20678 are 240, 301, 410, 443 and 667

A: ZIP Code 20678 is in the Maryland 5th Congressional District.

A: ZIP Code 20678 is in Maryland State House of Delegates District 27C.

A: ZIP Code 20678 is in Maryland State Senate District 27.

A: The 2022 population of ZIP Code 20678 is 12874. The population growth rate in 20678 is -1.83%. The population density of 20678 is 257.

A: The majority race/ethnicity of people residing in 20678 is White (73.07%). The majority race/ethnicity of students attending public schools in 20678 is White(61.69%).

A: The median household income in 20678 is $109,474 (2021) and the average adjusted income is $343,460 (2021).