20620 Frequently Asked Questions

A: ZIP Code 20620 is Located in Callaway Maryland.

A: ZIP Code 20620 is Located Entirely in Saint Marys County Maryland.

A: The Current Sales Tax in ZIP Code 20620 is 6.0%

A: The Area Codes for 20620 are 240 and 301

A: ZIP Code 20620 is in the Maryland 5th Congressional District.

A: ZIP Code 20620 is in Maryland State House of Delegates District 29C.

A: ZIP Code 20620 is in Maryland State Senate District 29.

A: The 2022 population of ZIP Code 20620 is 1325. The population growth rate in 20620 is 0.40%. The population density of 20620 is 346.

A: The majority race/ethnicity of people residing in 20620 is White (61.75%).

A: The median household income in 20620 is $137,143 (2021) and the average adjusted income is $330,680 (2021).