A: ZIP Code 21821 is in Maryland State House of Delegates District 38A.
A: ZIP Code 21821 is in Maryland State Senate District 38.
A: The 2022 population of ZIP Code 21821 is 765. The population growth rate in 21821 is -26.58%. The population density of 21821 is 35.
A: The majority race/ethnicity of people residing in 21821 is White (90.52%). The majority race/ethnicity of students attending public schools in 21821 is White(80.99%).
A: The median household income in 21821 is $36,875 (2021) and the average adjusted income is $201,870 (2021).