This map shows you which parts of the country swung to the left or to the right v 2016. Georgia and sub/urban Texas really stand out to me:
https://www.economist.com/graphic-detail/2020/11/03/the-us-2020-election-results
https://www.economist.com/graphic-detail/2020/11/03/the-us-2020-election-results
Ohio and Iowa are also notable for their shift to the right, which is doubly striking since the polls said they had swung so far to the left
(we are predicting results in counties that haven't fully reported totals yet) https://twitter.com/NineEightSix/status/1326248650192850944?s=20
Here is another map that shows the swing in each county _relative_ to the national swing, in other words we're removing the fact that Biden did better than Clinton overall
Aside from the huge swings in Hispanic-heavy counties, a clear takeaway from this map is that urban-rural polarization has gotten worse since 2016. I wrote about this today: https://www.economist.com/graphic-detail/2020/11/10/americas-urban-rural-partisan-gap-is-widening