1 House of Representatives
- 1.1 Current Representatives
- 1.2 1789–1793: 8 seats
- 1.3 1793–1803: 13 seats
- 1.4 1803–1813: 18 seats
- 1.5 1813–1823: 23 seats
- 1.6 1823–1833: 26 seats
- 1.7 1833–1843: 28 seats
- 1.8 1843–1853: 24 seats
- 1.9 1853–1863: 25 seats
- 1.10 1863–1873: 24 seats
- 1.11 1873–1883: 27 seats
- 1.12 1883–1893: 28 seats
- 1.13 1893–1903: 30 seats
- 1.14 1903–1913: 32 seats
- 1.15 1913–1933: 36 seats
- 1.16 1933–1943: 34 seats
- 1.17 1943–1953: 33 seats
- 1.18 1953–1963: 30 seats
- 1.19 1963–1973: 27 seats
- 1.20 1973–1983: 25 seats
- 1.21 1983–1993: 23 seats
- 1.22 1993–2003: 21 seats
- 1.23 2003–2013: 19 seats
- 1.24 2013–Present: 18 seats
- 2 United States Senate
- 3 Key
- 4 See also
List of members of the Pennsylvanian United States House delegation, their terms in office, district boundaries, and the district political ratings according to the CPVI. The delegation has 16 members, with 10 Republicans and 8 Democrats.
|Party||Time in office||CPVI||District map|
|Democratic||since May 19, 1998||D+31|
|Democratic||since November 8, 2016||D+40|
|Republican||since January 3, 2011||R+11|
|Republican||since January 3, 2013||R+11|
( Oil City)
|Republican||since January 3, 2009||R+13|
( West Chester)
|Republican||since January 3, 2015||R+2|
Mary Gay Scanlon
|Democratic||since November 13, 2018||R+1|
|Republican||since January 3, 2017||R+2|
|Republican||since May 15, 2001||R+19|
|Republican||since January 3, 2011||R+16|
|Republican||since January 3, 2011||R+10|
|Republican||since January 3, 2013||R+11|
|Democratic||since January 3, 2015||D+15|
|Democratic||since January 3, 1995||D+17|
|Democratic||since November 27, 2018||R+4|
( West Lampeter)
|Republican||since January 3, 2017||R+5|
|Democratic||since January 3, 2013||R+1|
( Mt. Lebanon)
|Democratic||since March 13, 2018||R+11|
For the first two Congresses, Pennsylvania had eight seats. In the First Congress, Representatives were selected At-large on a general ticket. Districts were used in the Second Congress.
|State-wide at-large on a General ticket||Cong|
|Thomas Fitzsimons (Pro-Admin)||Frederick Muhlenberg (Pro-Admin)||George Clymer (Pro-Admin)||Daniel Hiester (Anti-Admin)||Thomas Scott (Pro-Admin)||Peter Muhlenberg (Anti-Admin)||Thomas Hartley (Pro-Admin)||Henry Wynkoop (Pro-Admin)||
|Thomas Fitzsimons (Pro-Admin)||Frederick Muhlenberg (Anti-Admin)||Israel Jacobs (Pro-Admin)||Daniel Hiester (Anti-Admin)||John W. Kittera (Pro-Admin)||Andrew Gregg (Anti-Admin)||Thomas Hartley (Pro-Admin)||William Findley (Anti-Admin)||
Pennsylvania had thirteen seats. For the third Congress representatives were selected at-large on a general ticket. After that, districts were created.
There were eighteen seats, apportioned among eleven districts. Districts 1–3 each had three seats elected on a general ticket. District 4 had two such seats. Districts 5–11 each had one seat.
There were 15 districts. The 1st district had four seats elected on a general ticket. The 2nd, 3rd, 5th, 6th and 10th each had two seats elected on a general ticket. The rest of the districts each had one seat.
Following the 1880 Census, the delegation grew by one seat. Until 1889, that seat was elected at-large statewide. After 1889, the state was redistricted into 28 districts.
Following the 1890 Census, the delegation grew by two seats. Those two additional seats were elected at-large across the entire commonwealth.
Following the 1900 Census, the delegation grew by two seats.
Following the 1910 Census, the delegation grew by four seats to its largest size to date. The four new seats were elected at-large statewide. Starting in 1923, however, four new districts were added to replace the at-large seats.
Following the 1930 Census, the delegation lost two seats.
Following the 1940 Census, the delegation lost one seat. For the 78th Congress, there were 32 districts and 1 at-large seat. Starting with the 79th Congress, however, there were 33 districts.
Following the 1950 Census, the delegation lost three seats.
Following the 1960 Census, the delegation lost three seats.
Following the 1970 Census, the delegation lost two seats.
Following the 1980 Census, the delegation lost two seats.
|Thomas M. Foglietta (D)||William H. Gray (D)||Robert A. Borski, Jr. (D)||Joseph P. Kolter (D)||Richard T. Schulze (R)||Gus Yatron (D)||Robert W. Edgar (D)||Peter H. Kostmayer (D)||Bud Shuster (R)||Joseph M. McDade (R)||Frank G. Harrison (D)||John P. Murtha (D)||R. Lawrence Coughlin (R)||William J. Coyne (D)||Don Ritter (R)||Robert S. Walker (R)||George Gekas (R)||Doug Walgren (D)||William F. Goodling (R)||Joseph M. Gaydos (D)||Tom Ridge (R)||Austin J. Murphy (D)||William F. Clinger, Jr. (R)||
|Paul E. Kanjorski (D)||
|Curt Weldon (R)||
|Rick Santorum (R)||
Following the 1990 Census, the delegation lost two seats.
|Thomas M. Foglietta (D)||Lucien E. Blackwell (D)||Robert A. Borski, Jr. (D)||Ronald Klink (D)||William F. Clinger, Jr. (R)||Tim Holden (D)||Curt Weldon (R)||James C. Greenwood (R)||Bud Shuster (R)||Joseph M. McDade (R)||Paul E. Kanjorski (D)||John P. Murtha (D)||Marjorie Margolies-Mezvinsky (D)||William J. Coyne (D)||Paul F. McHale, Jr. (D)||Robert S. Walker (R)||George Gekas (R)||Rick Santorum (R)||William F. Goodling (R)||Austin J. Murphy (D)||Tom Ridge (R)||
|Chaka Fattah (D)||Jon D. Fox (R)||Michael F. Doyle (D)||Frank Mascara (D)||Phil English (R)||
|John E. Peterson (R)||Joseph R. Pitts (R)||
|Bob Brady (D)|
|Don Sherwood (R)||Joseph M. Hoeffel (D)||Patrick J. Toomey (R)||
|Melissa Hart (R)||Todd Platts (R)||
Following the 2000 Census, the delegation lost two seats.
|Bob Brady (D)||Chaka Fattah (D)||Phil English (R)||Melissa Hart (R)||John E. Peterson (R)||Jim Gerlach (R)||Curt Weldon (R)||James C. Greenwood (R)||Bill Shuster (R)||Don Sherwood (R)||Paul E. Kanjorski (D)||John P. Murtha (D)||Joseph M. Hoeffel (D)||Michael F. Doyle (D)||Patrick J. Toomey (R)||Joseph R. Pitts (R)||Tim Holden (D)||Timothy Murphy (R)||Todd Platts (R)||
|Michael Fitzpatrick (R)||Allyson Schwartz (D)||Charles Dent (R)||
|Jason Altmire (D)||Joe Sestak (D)||Patrick Murphy (D)||Christopher Carney (D)||
|Kathy Dahlkemper (D)||Glenn Thompson (R)||
|Mark Critz (D)|
|Mike Kelly (R)||Pat Meehan (R)||Mike Fitzpatrick (R)||Tom Marino (R)||Lou Barletta (R)||
Following the 2010 Census, the delegation lost one seat. With court ordered Redistricting in Pennsylvania on February 19, 2018, none of the congressmen who served in 115th congress and were re-elected are in the same district in the 116th congress.
Tables showing membership in the Pennsylvania federal Senate delegation throughout history of statehood in the United States.
|Class 1 Senators||Congress||Class 3 Senators|
|William Maclay (Anti-Admin)||1st (1789–1791)||Robert Morris (Pro-Admin)|
|Albert Gallatin (D-R)||3rd (1793–1795)|
|James Ross (Pro-Admin)|
|4th (1795–1797)||William Bingham (F)|
|7th (1801–1803)||Peter Muhlenberg (D-R)|
|George Logan (D-R)|
|Samuel Maclay (D-R)||8th (1803–1805)|
|10th (1807–1809)||Andrew Gregg (D-R)|
|Michael Leib (D-R)|
|13th (1813–1815)||Abner Lacock (D-R)|
|Jonathan Roberts (D-R)|
|16th (1819–1821)||Walter Lowrie (D-R)|
|William Findlay (D-R)||17th (1821–1823)|
|19th (1825–1827)||William Marks (Adams)|
|Isaac D. Barnard (D-R)||20th (1827–1829)|
|22nd (1831–1833)||William Wilkins (D-R)|
|George M. Dallas (D-R)|
|Samuel McKean (D-R)||23rd (1833–1835)|
|James Buchanan (D-R)|
|Daniel Sturgeon (D)||26th (1839–1841)|
|Simon Cameron (D)|
|31st (1849–1851)||James Cooper (W)|
|Richard Brodhead (D)||32nd (1851–1853)|
|34th (1855–1857)||William Bigler (D)|
|Simon Cameron (R)||35th (1857–1859)|
|37th (1861–1863)||Edgar Cowan (R)|
|David Wilmot (R)|
|Charles R. Buckalew (D)||38th (1863–1865)|
|40th (1867–1869)||Simon Cameron (R)|
|John Scott (R)||41st (1869–1871)|
|William A. Wallace (D)||44th (1875–1877)|
|James Donald Cameron (R)|
|John I. Mitchell (R)||47th (1881–1883)|
|Matthew S. Quay (R)||50th (1887–1889)|
|55th (1897–1899)||Boies Penrose (R)|
|Matthew S. Quay (R)|
|Philander C. Knox (R)|
|George T. Oliver (R)||61st (1909–1911)|
|Philander C. Knox (R)||65th (1917–1919)|
|William E. Crow (R)||67th (1921–1923)|
|David A. Reed (R)||George Wharton Pepper (R)|
|70th (1927–1929)||William S. Vare (R)|
|Joseph R. Grundy (R)|
|James J. Davis (R)|
|Joseph F. Guffey (D)||74th (1935–1937)|
|79th (1945–1947)||Francis J. Myers (D)|
|Edward Martin (R)||80th (1947–1949)|
|82nd (1951–1953)||James H. Duff (R)|
|85th (1957–1959)||Joseph S. Clark (D)|
|Hugh D. Scott, Jr. (R)||86th (1959–1961)|
|91st (1969–1971)||Richard S. Schweiker (R)|
|H. John Heinz III (R)||95th (1977–1979)|
|97th (1981–1983)||Arlen Specter (R)|
|Harris Wofford (D)|
|Rick Santorum (R)||104th (1995–1997)|
|Bob Casey, Jr. (D)||110th (2007–2009)|
|111th (2009–2011)||Arlen Specter (D)|
|112th (2011–2013)||Pat Toomey (R)|
As of August 2015 [update], there are two living former senators.
|Senator||Term of office||Class||Date of birth (and age)|
|Harris Wofford||1991–1995||1||April 9, 1926|
|Rick Santorum||1995–2007||1||May 10, 1958|