Pennsylvania has 18 congressional districts. Republicans hold 10 of them, Democrats 6. There are two vacancies; both those seats will be filled by special election (based on pre-redistricting boundaries) on November 6th.
As a result of a Court ruling, Pennsylvania's congressional district boundaries are changing for the 2018 midterm elections. Read how we're handling the 2018 Pennsylvania Redistricting. The changes make it highly probable Democrats will pick up one or more seats in November.
To create your own forecast for the midterms, visit the 2018 House Interactive Map.
(a)Source: Ballotpedia (for margins). The margin is the percentage difference between the top two vote-getters in 2016.
More recent results (i.e., special elections held in 2017-18 for vacancies) are not displayed. * Race was uncontested | ^Top two vote-getters were from the same party
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