FiveThirtyEight

Democrats overperformed in the governors races … mostly

The FiveThirtyEight partisan lean of every state with a 2018 governor's race by the vote share margin in the race

Partisan lean is the average difference between how a state or district votes and how the country votes overall, with 2016 presidential election results weighted 50 percent, 2012 presidential election results weighted 25 percent and results from elections for the state legislature weighted 25 percent.