The following table indicates the party of elected officials in the U.S. state of Missouri:
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: Democratic (D), Democratic-Republican (DR), Liberal Republican (LR), no party (N), National Republican (NR), National Union (NU), Republican (R), Whig (W), and a tie or coalition within a group of elected officials.
References
Political party strength in Missouri Wikipedia(Text) CC BY-SA