For more than half a century, West Virginia was one of the most Democratic states in the country. From 1932 to 1996, the state voted Republican only three times: in the GOP landslide years of 1956, 1972 and 1984. Republicans have won the state since 2000. See 2020 primary results
CNN will broadcast a projected winner only after an extensive review of data from a number of sources.
"Flipped seat" denotes a race where the 2020 projected winner is from a different party than the previous winner or incumbent.
Both Maine and Nebraska allow electoral votes to be split. In Maine, two of four electoral votes go to the statewide winner and one electoral vote goes to the winner in each of the two congressional districts. In Nebraska, two of five electoral votes go to the winner of the statewide vote. One electoral vote goes to the winner in each of Nebraska's three congressional districts.