|Prior to 1969, seats were apportioned by county.|
|W. Brady Hetrick||Democrat||1969 – 1972|
|Walter F. DeVerter||Republican||1973 – 1988|
|Daniel F. Clark||Republican||1989 – 2002|
|Adam Harris||Republican||2003 – 2018||Mifflintown|
|John Hershey||Republican||2019 – present||Mifflintown||Elect|
- Cox, Harold (2004). "Legislatures - 1776-2004". Wilkes University Election Statistics Project. Wilkes University.
- "Composite Listing of House of Representatives Districts" (PDF). Pennsylvania Department of State. Retrieved 2015-02-19.
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