Political party strength in Ohio

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

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. Also indicated is the party that controlled the Ohio Apportionment Board, which draws legislative districts for the Ohio General Assembly in the years following the United States Census.

The parties are as follows:   Democratic (D),   Democratic-Republican (DR),   Federalist (F), no party (N),   National Republican (NR),   Republican (R),   Whig (W), and   a tie or coalition within a group of elected officials.