Political party strength in U.S. states

This was especially true in the Solid South, where the Democratic Party was dominant for the better part of a century, from the end of Reconstruction in the late 1870s, through the period of Jim Crow Laws into the 1960s.

The Democrats' support in the formerly Solid South had been eroded during the vast cultural, political, and economic upheaval that surrounded the 1960s.

[2] Since this election, Republicans have maintained a majority of state legislative chambers and seats, as well as governorships nationwide.

[3] Another metric measuring party preference is the Cook Partisan Voting Index (PVI).

Meanwhile, a plurality of voters in Arizona, Nebraska, Kansas, Iowa, Kentucky, West Virginia, and Florida are Republicans.

A majority of voters in Utah, Idaho, Wyoming, South Dakota, and Oklahoma are Republicans.

In Oregon, Colorado, North Carolina, Connecticut, Rhode Island, Alaska, and New Hampshire, a plurality of voters are Independents.