A: ZIP Code 20640 is in Maryland State House of Delegates District 28.
A: ZIP Code 20640 is in Maryland State Senate District 28.
A: The 2022 population of ZIP Code 20640 is 10629. The population growth rate in 20640 is 2.28%. The population density of 20640 is 175.
A: The majority race/ethnicity of people residing in 20640 is African American (53.04%). The majority race/ethnicity of students attending public schools in 20640 is African American(59.05%).
A: The median household income in 20640 is $80,375 (2021) and the average adjusted income is $340,680 (2021).