2018 Pennsylvania House Election Interactive Map

All US House seats to be contested in 2018

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.


Hover over a district for details.

District Incumbent Party Since Term Predictions Margin of Victory
Pro Map House(a) President(b)
PA-1 Brian Fitzpatrick
2017 1st
N/A 2.0%
Redrawn PA-1 is mostly current PA-8 (Fitzpatrick)
PA-5 Mary Gay Scanlon
2018 1st
N/A 28.2%
Redrawn PA-5 is about 50% current PA-7, vacated by Meehan. Scanlon won special election in PA-7
PA-6 Ryan Costello
2015 2nd
N/A 9.3%
Redrawn PA-6 is about 50% current PA-6 (Costello, retiring)
PA-7 Susan Wild
2018 1st
N/A 1.1%
Redrawn PA-7 is mostly current PA-15 vacated by Dent. Wild won special election in PA-15
PA-8 Matthew Cartwright
2013 3rd
N/A 9.5%
Redrawn PA-8 is about 50% current PA-17 (Cartwright)
PA-10 Scott Perry
2013 3rd
N/A 8.9%
Redrawn PA-10 is about 60% current PA-4 (Perry), 30% current PA-11 (Barletta, running for Senate)
PA-14 Conor Lamb
2018 1st
N/A 29.0%
Redrawn PA-14 is majority current PA-18. Lamb running for re-election in PA-17
PA-16 Mike Kelly
2011 4th
N/A 19.9%
Redrawn PA-16 is mostly current PA-3 (Kelly)
PA-17 Keith Rothfus
2013 3rd
N/A 2.5%
Redrawn PA-17 is majority current PA-12 (Rothfus); Conor Lamb (current PA-18) running vs. Rothfus
PA-2 Brendan Boyle
2015 2nd
N/A 48.0%
Redrawn PA-2 is about 50% current PA-13 (Boyle), 40% current PA-1 (Brady, retiring)
PA-3 Dwight Evans
2016 2nd
N/A 83.9%
Redrawn PA-3 is mostly current PA-2 (Evans)
PA-4 (OPEN) Safe Democratic
N/A 19.4%
Redrawn PA-4 is split between several districts. No incumbent running for this safe Democratic seat
PA-9 (OPEN) Safe Republican
N/A 34.0%
Redrawn PA-9 is split between several districts. No incumbent running for this safe Republican seat.
PA-11 Lloyd Smucker
2017 1st
N/A 25.8%
Redrawn PA-11 is majority current PA-16 (Smucker)
PA-12 Tom Marino
2011 4th
N/A 36.5%
Redrawn PA-12 is majority current PA-10 (Marino)
PA-13 Bill Shuster
2001 9th
N/A 45.5%
Redrawn PA-13 is about 50% current PA-9 (Shuster, retiring)
PA-15 Glenn Thompson
2009 5th
N/A 43.4%
Redrawn PA-15 is majority current PA-5 (Thompson)
PA-18 Michael Doyle
1995 12th
N/A 26.8%
Redrawn PA-18 is mostly current PA-14 (Doyle)

(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

(b)Source: Daily Kos. The margin is the percentage difference between Donald Trump and Hillary Clinton.