| Representative | Party | Years | District home | Note |
|---|
| District created in 1889 |
| James Kerr | Democrat | March 4, 1889 – March 3, 1891 | Clearfield | Unsuccessful candidate for renomination |
| George F. Kribbs | Democrat | March 4, 1891 – March 3, 1895 | Clarion | Unsuccessful candidate for renomination |
| William C. Arnold | Republican | March 4, 1895 – March 3, 1899 | Curwensville | Not a candidate for reelection |
| James K.P. Hall | Democrat | March 4, 1899 – November 29, 1902 | Ridgway | Resigned after being elected to the Pennsylvania State Senate |
| vacant | November 29, 1902 – March 3, 1903 |
| Joseph C. Sibley | Republican | March 4, 1903 – March 3, 1907 | Franklin | Redistricted from the 27th district, Not a candidate for renomination |
| Nelson P. Wheeler | Republican | March 4, 1907 – March 3, 1911 | Endeavor | Unsuccessful candidate for renomination in 1910, but the primary election was contested. His opponent subsequently withdrew and he was tendered the congressional nomination, but declined |
| Peter M. Speer | Republican | March 4, 1911 – March 3, 1913 | Oil City | Unsuccessful candidate for reelection |
| Willis J. Hulings | Progressive | March 4, 1913 – March 3, 1915 | Oil City | Unsuccessful candidate for reelection |
| Samuel H. Miller | Republican | March 4, 1915 – March 3, 1917 | Mercer | Declined to be a candidate for renomination |
| Orrin D. Bleakley | Republican | March 4, 1917 – April 3, 1917 | Franklin | Resigned having never qualified. The seat then remained vacant. |
| vacant | April 4, 1917 – November 5, 1917 |
| Earl H. Beshlin | Democrat | November 6, 1917 – March 3, 1919 | Warren | Unsuccessful candidate for reelection |
| Willis J. Hulings | Republican | March 4, 1919 – March 3, 1921 | Oil City | Unsuccessful candidate for reelection |
| Harris J. Bixler | Republican | March 4, 1921 – March 3, 1927 | Duncannon | Unsuccessful candidate for renomination |
| Thomas C. Cochran | Republican | March 4, 1927 – March 3, 1933 | Mercer | Redistricted to the 20th district |
| William M. Berlin | Democrat | March 4, 1933 – January 3, 1937 | Greensburg | Unsuccessful candidate for renomination |
| Robert G. Allen | Democrat | January 3, 1937 – January 3, 1941 | Greensburg | Unsuccessful candidate for renomination |
| Augustine B. Kelley | Democrat | January 3, 1941 – January 3, 1945 | Greensburg | Redistricted to the 27th district |
| Robert L. Rodgers | Republican | January 3, 1945 – January 3, 1947 | Erie | Redistricted from the 29th district, Unsuccessful candidate for renomination |
| Carroll D. Kearns | Republican | January 3, 1947 – January 3, 1953 | New Castle | Redistricted to the 24th district |
| Herman P. Eberharter | Democrat | January 3, 1953 – September 9, 1958 | Pittsburgh | Redistricted from the 32nd district, Died |
| vacant | September 9, 1958 – January 3, 1959 |
| William S. Moorhead | Democrat | January 3, 1959 – January 3, 1963 | Pittsburgh | Redistricted to the 14th district |
| District eliminated in 1963 |