Political Party Strength Map of the USA shows the level of representation of the various political parties of the US. The map represents statewide elective office providing legislators to the state and to the U.S. Congress and electing the executives at the state (U.S. state governor) and national (U.S. President) level.
On October 16, 2020, According to Gallup polling, 31% of Americans are Democrats, 31% are Republican, and 36% as Independent. Additionally, polling showed that 49% are either “Democrats or Democratic leaners” and 45% are either “Republicans or Republican leaners” when Independents are asked, “do you lean more to the Democratic Party or the Republican Party?”
In 2018, the number of competitive states dropped down to 10, the lowest number since 2008. From 2017 to 2018, New Hampshire, Nevada, and Pennsylvania moved from competitive to lean Democratic, while West Virginia, Louisiana, and Indiana moved from competitive to lean Republican, and Nebraska moved from lean Republican to competitive.
As of 2018, Massachusetts was the most Democratic state, with 56% Democrats and 27% Republican. It is important to note, however, that Washington DC (while not a state) has electoral votes and 76% of residents identify as Democrats vs the 6% that identify as Republicans. Wyoming was the most Republican state, with 59% of residents identifying as Republican, and only 25% of residents identifying as Democrat.