99chambers

U.S. House seat · former district

Pennsylvania's 18th District

24 elections since 1976: Democrats won 14, Republicans 10.

2020 election

Nov 3, 2020
  1. Michael F. Doyle (D) · won69.2%
  2. Luke Edison Negron (R)30.8%

Full results →

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET

Every election for this seat

24 races since 1976; the seat changed party 3 times. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2012
2020Michael F. Doyle (D)Luke Edison Negron (R)38.5
2018Michael F. Doyle (D)—Unopposed
2018 special electionConor Lamb (D)FlipRick Saccone (R)0.3
2016Tim Murphy (R)—Unopposed
2014Tim Murphy (R)—Unopposed
2012Tim Murphy (R)Larry Maggi (D)27.9
Lines first used in 2002
2010Tim Murphy (R)Dan Connolly (D)34.7
2008Tim Murphy (R)Steve O'Donnell (D)28.1
2006Tim Murphy (R)Chad Kluko (D)15.7
2004Tim Murphy (R)Mark G. Boles (D)25.5
2002Tim Murphy (R)Jack Machek (D)20.3
Lines first used in 1992
2000Michael F. Doyle (D)Craig C. Stephens (R)38.8
1998Michael F. Doyle (D)Dick Walker (R)35.4
1996Michael F. Doyle (D)David B. Fawcett (R)15.6
1994Michael F. Doyle (D)FlipJohn McCarty (R)9.6
1992Richard Santorum (R)Frank A. Pecora (D)22.6
Lines first used in 1982
1990Richard Santorum (R)FlipDouglas Walgren (D)2.9
1988Douglas Walgren (D)John A. Newman (R)25.6
1986Douglas Walgren (D)Ernie Buckman (R)26.0
1984Douglas Walgren (D)John G. Maxwell (R)26.0
1982Douglas Walgren (D)Ted Jacob (R)9.3
Lines first used in 1972
1980Douglas Walgren (D)Steven R. Snyder (R)36.9
1978Douglas Walgren (D)Ted Jacob (R)15.0
1976Douglas Walgren (D)Robert J. Casey (R)18.9

Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)