The PA gov webstie doesn't have voting stats for jack, but the Iowa breakdowns for the '14 mid-terms were Republicans voting at 68%, Dems 56%, Indies 37%
Men slightly outvoted women, and ag 20-29 voting around 30%, stair stepping up to over 65 at around 78%.
None of the 'Blue Wave' polls have samplings that reflect anywhere close to that, which is why they look to be more like psyops than polls.