The table also indicates the historical party composition in the :

The tables also indicate the historical party composition in the State Senate, State House of Delegates, State delegation to the U.S. Senate, and the State delegation to the U.S. House of Representatives For years in which a presidential election was held, the tables indicate which party's nominees received the state's electoral votes.

The tables also indicate the historical party composition in the State Senate, State Assembly, the State delegation to the United States Senate, and the State delegation to the United States House of Representatives.

The table also indicates the historical party composition in the territorial or Commonwealth:

The tables also indicate the historical party composition in the State Senate, State House of Representatives, the names and party affiliations of Michigan's U.S. Senators, and the party composition of Michigan's delegations to the U.S House of Representatives.