Political party strength in Maryland

The following table indicates the party of elected officials in the U.S. state of Maryland:

The table also indicates the historical party composition in the:

For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.

The parties are as follows: American (A), Anti-Administration (AA), Democratic (D), Democratic-Republican (DR), Federalist (F), Independent (I), no party (N), National Republican (NR), National Union (NU), Pro-Administration (PA), Republican (R), Whig (W), and a tie or coalition within a group of elected officials.