is this. in normal circumstances, gerrymanders are drawn to pack all of one party into a district like the democrats into districts or just enough republicans over the top. and so that s the way it usually works but when there s a large shift in opinion, what appears to be the case is these districts swung hard. won by 15, 20 points by republicans and now underwater and specifically the gerrymandered districts getting it. look at michigan 11th district representative kerry bentivolio. seven points ahead in 2012. ppp poll, 15 points behind to exactly to your point. not what you would conventional wisdom expect. that s right. michigan is a state where 5% more people voted for democrats candidates than republican candidates but the congressional delegation is 9-5 for republicans so if you think about that, it s by having just