LINKDonald Trump would have been re-elected president if the subregions were the "states" for the electoral college.
Percentage in every subregion
Pacific:Democratic: 62.4%
Republican: 36.3%
Mountain West:Republican: 50.6%
Democratic: 47.8%
Northeast: Democratic: 60.7%
Republican: 38.4%
Great Lakes:Democratic: 49.9%
Republican: 48.9%
Upper South:Republican: 51.8%
Democratic: 46.9%
Deep South:Republican: 53.0%
Democratic: 46.0%
The closest state would actually have been a Democratic one, which would flip another 85 electoral votes into Trumps direction.
The question might be, would it have been Democratic or Republican in 2016...
Well let's check
Great Lakes 2016:Republican: 48.0%
Democratic: 47.6%
So the answer is yes, with a D+1.4% swing, from 2016 to 2020.