▁County , ▁Pennsylvania ▁at ▁this ▁point . ▁The ▁district ▁had ▁a ▁population ▁of ▁ 7 6 , 5 9 1 . ▁ ▁It ▁was ▁elimin ated ▁in ▁ 1 8 6 3 . ▁This ▁district ▁was ▁re created ▁in ▁ 1 8 7 3 . ▁The ▁district ▁was ▁held ▁at - large ▁until ▁ 1 8 7 5 . ▁In ▁ 1 8 7 5 ▁it ▁was ▁made ▁a ▁ge ographical ▁district ▁covering ▁Forest ▁County , ▁Pennsylvania , ▁Clar ion ▁County , ▁Pennsylvania , ▁Jefferson ▁County , ▁Pennsylvania , ▁Arm strong ▁County , ▁Pennsylvania ▁and ▁Indiana ▁County , ▁Pennsylvania . ▁It ▁had ▁a ▁population ▁of ▁ 1 3 1 , 6 6 3 . ▁In ▁ 1 8 8 8 ▁Pennsylvania ▁con gression al ▁districts ▁were ▁red ra wn ▁because ▁there ▁was ▁a ▁decision ▁to ▁make ▁Pennsylvania ' s ▁ 2 8 th ▁con gression al ▁district ▁a ▁ge ographical ▁district ▁and ▁end ▁its ▁election ▁at ▁large . ▁The ▁ 2 5 th ▁district ▁was ▁shift ed ▁to ▁cover ▁Butler ▁County , ▁Pennsylvania , ▁Be aver ▁County , ▁Pennsylvania , ▁Lawrence ▁County , ▁Pennsylvania ▁and ▁Mer cer ▁County , ▁Pennsylvania . ▁These ▁would ▁remain ▁the ▁boundaries ▁until ▁ 1 9 1 2 . ▁ ▁The ▁district ▁was ▁elimin ated ▁in ▁ 1 9 8 3 . ▁ ▁List ▁of ▁members ▁representing ▁the ▁district ▁ ▁References ▁▁ 2 5 ▁Category : Ob sole te ▁United ▁States ▁con gression al ▁districts ▁Category : Const itu encies ▁established ▁in ▁ 1 8 3 3 ▁Category :