AP analysis indicates that redistricting benefits GOP, and here's Exhibit A

Source:  govtrack

Analysis indicates partisan gerrymandering has benefited GOP.  (AP, 6/26/2017)

Brought to you by the Tea Party wave of 2010.  The analysis found four times as many states with Republican-skewed state House or Assembly districts than Democratic ones. Among the two dozen most populated states that determine the vast majority of Congress, there were nearly three times as many with Republican-tilted U.S. House districts.

Related reading:
Supreme Court strikes down NC districts as illegally based on race.  (The Hill, 5/25/2017)
The top 10 most gerrymandered states.  (Rantt, 5/27/2017)
Why the Supreme Court’s decision to review Wisconsin’s gerrymandering is such a big deal.  (Washington Post, 6/19/2017)

From the Post article:

The 37th Aassembly district:  One of Wisconsin's most blatant examples of redistricting.

Related posts:
UPDATE. Wisconsin GOP play fast and loose with taxpayer dollars.  (2/3/2017)
Wisconsin redistricting: Judges saw evidence, reached obvious conclusion, part 1.  (1/28/2017)
Part 2.  (1/28/2017)
Part 3.  (1/28/2017)