Yesterday, I looked at the following pictograms used by Business Insider in an article about the rural-urban divide in American politics:
The layout of this diagram suggests that the comparison of 2010 to 2018 is a key purpose.
The following alternate directly plots the change between 2010 and 2018, reducing the number of plots from 4 to 2.
The 2018 results are emphasized. Then, for each party, there can be a net add or loss of seats.
The key trends are:
- a net loss in seats in "Pure rural" districts, split by party;
- a net gain of 3 seats in "rural-suburban" districts;
- a loss of 10 Democratic seats balanced by a gain of 13 Republican seats.