PA-04 elected a Democrat in 2018.

D+27.0 on 332,991 certified votes. Below: the 2018 result and this district's margin across every cycle on record.

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PA-04 — 2018 result

Source: MIT Election Data + Science Lab, US House returns (party-classified by literal ballot party).

Democratic (D)

211,524

63.5%

Republican (R)

121,467

36.5%

All others

0

0.0%

Margin

D+27.0

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Margin history

PA-04 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	D	+18.1%	455,523
2022	D	+22.6%	366,785
2020	D	+19.1%	444,563
2018	D	+27.0%	332,991
2016	R	−32.1%	334,000
2014	R	−49.1%	197,340
2012	R	−25.3%	303,980
2010	D	+1.6%	237,785
2008	D	+11.7%	333,947
2006	D	+3.9%	254,084
2004	R	−27.2%	323,917
2002	R	−29.1%	202,218
2000	R	−18.0%	246,385
1998	D	+27.6%	161,685
1996	D	+28.4%	222,167
1994	D	+28.3%	185,630
1992	D	+58.1%	237,922
1990	D	+11.8%	132,583
1988	D	+40.3%	177,699
1986	D	+21.7%	142,594
1984	D	+13.6%	200,809
1982	D	+21.5%	167,102
1980	R	−26.6%	201,370
1978	R	−11.6%	198,000
1976	D	+35.0%	214,590