ZIP Code 21504 is completely within the 6th US Congressional District of Maryland and is currently represented by Democrat David Trone.
The State Legislative body in Maryland is the Maryland General Assembly. It is bicameral, consisting of the upper Maryland Senate and the lower Maryland House of Delegates. ZIP Code 21504 is completely within Maryland State House of Delegates District 01B and is currently represented by Republican Jason C. Buckel. ZIP Code 21504 is completely within Maryland State Senate District 01 and is currently represented by Republican Mike McKay.