1984 it was Reagan 525-13, Nixon in 1972 came close 520-17. Nixon lost Massachusetts and D.C.
You forgot the mountain states, Idaho, Montana, North and South Dakota, Wyoming, Alaska. The fact that Biden now has a two point lead in Georgia and is tied with Trump in Texas, to use an old G.H.W. Bush phrase, Trump is in deep doo doo.
It's high past time that we start electing Americans to congress and the presidency who put America first instead of their political party. For way too long we have been electing Republicans and Democrats who happen to be Americans instead of Americans who happen to be Republicans and Democrats.