Maryland Districts
Congressional districts are administrative divisions of the State of Maryland determined by the Maryland General Assembly to define an area of representation for each of Maryland's Representative in Congress.
Legislative districts are administrative divisions of the State of Maryland determined by the Maryland General Assembly to define an area of representation for the members of the General Assembly (State Senators and Delegates).
New District Maps
Maryland adopted new Congressional districts on October 20. 2011 (per U.S. Constitution Article I, Section 2) and new State Legislative districts on February 24, 2012 (per Maryland Constitution Article III, Section 5) based on the changes in population reported in the 2010 U.S. Census and in accordance with Maryland’s “No Representation Without Population Act” of 2010.
Maryland State Data Center
You can find Redistricting Maps on Maryland State Planning's website.
Detailed Redistricting
Detailed redistricting information can be found on this new page here.