Pennsylvania's 12th Congressional District

Pennsylvania's 12th Congressional District elects one member to the U.S. House of Representatives. Below is the district's current representative, the members of Congress who held this seat before, and Pennsylvania's two U.S. Senators.

Current Representative

Summer Lee (Democrat) currently represents Pennsylvania's 12th Congressional District. See Summer Lee's full voting record and key issue positions →

District History — Past Representatives

Members of Congress who previously represented Pennsylvania's 12th Congressional District:

• Fred Keller — Republican (until 2023)
• Tom Marino — Republican (until 2019)
• Keith Rothfus — Republican (until 2019)
• Mark Critz — Democrat (until 2013)
• John Murtha — Democrat (until 2010)
• John Saylor — Republican (until 1975)
• John Whalley — Republican (until 1973)
• Ivor Fenton — Republican (until 1963)
• Thomas Miller — Republican (until 1945)
• John Flannery — Democrat (until 1943)

Pennsylvania U.S. Senators

• Dave McCormick — Republican Senator
• John Fetterman — Democrat Senator
• Robert Casey — Democrat Senator
• Patrick Toomey — Republican Senator
• Arlen Specter — Democrat Senator
• Richard Santorum — Republican Senator
• Harris Wofford — Democrat Senator
• Henry Heinz — Republican Senator
• Richard Schweiker — Republican Senator
• Hugh Scott — Republican Senator
• Joseph Clark — Democrat Senator
• Edward Martin — Republican Senator
• James Duff — Republican Senator
• Francis Myers — Democrat Senator
• Joseph Guffey — Democrat Senator
• James Davis — Republican Senator
• David Reed — Republican Senator
• Joseph Grundy — Republican Senator
• William Vare — Republican Senator
• George Pepper — Republican Senator
• William Crow — Republican Senator
• Philander Knox — Republican Senator
• Boies Penrose — Republican Senator
• George Oliver — Republican Senator
• Matthew Quay — Republican Senator
• James Cameron — Republican Senator
• John Mitchell — Republican Senator
• William Wallace — Democrat Senator
• Simon Cameron — Republican Senator
• John Scott — Republican Senator
• Edgar Cowan — Republican Senator
• David Wilmot — Republican Senator
• William Bigler — Democrat Senator
• Richard Brodhead — Democrat Senator
• James Cooper — Whig Senator
• Daniel Sturgeon — Democrat Senator
• James Buchanan — Democrat Senator
• Samuel McKean — Democrat Senator
• George Dallas — Jackson Senator
• Isaac Barnard — Jackson Senator
• William Marks — Adams Senator
• William Findlay — Jackson Senator
• Walter Lowrie — Republican Senator
• Jonathan Roberts — Republican Senator
• Abner Lacock — Republican Senator
• Michael Leib — Republican Senator
• Andrew Gregg — Republican Senator
• Samuel Maclay — Republican Senator
• George Logan — Republican Senator
• James Ross — Federalist Senator
• John Muhlenberg — Democratic Republican Senator
• William Bingham — Federalist Senator
• Robert Morris — Pro-Administration Senator
• William Maclay — Anti-Administration Senator

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