I find the maps fascinating after every major election cycle.
Here are several noteworthy ones:
5 ways of redrawing the U.S. electoral map that actually make sense https://www.washingtonpost.com/news/wonk/wp/2016/12/19/five-ways-of-redrawing-the-map-that-would-change-the-2016-election/?tid=pm_business_pop
What the U.S. map should really look like https://www.washingtonpost.com/news/wonk/wp/2016/12/12/the-radical-new-map-that-would-really-reflect-life-in-the-u-s/?utm_term=.fc59f7d8c4bc
The second article is interesting for the effect of replacing our mostly accidental state boundaries with zones surrounding the nearest major city which is what shapes many of our lives.