Maine isn't a battleground state, but helps to indicate the trend.
Harris is beating Trump in the state by 8 points among likely voters. Biden won the state by 9 points in 2020.
By district, Harris is beating Trump by 20 points in the first district. Biden won it by 23 points in 2020.
Trump is beating Harris by 4 points in the second district. Trump won it by 7 points in 2020.
On favorability, Harris has a net -4 favorability in Maine. Trump has a net -22 favorability. Vance has a net -15 favorability.
Most Maine Democrats want Harris as the Democratic nominee.