Democratic state representative Marc Gergely resigned his seat on November 6, 2017, after pleading guilty to charges regarding an illegal gambling machine ring.

Democrats selected Austin Davis, an assistant to Allegheny County executive Rich Fitzgerald, as their nominee.

[3] Democratic state representative Brandon Neuman was elected to be a judge on the Washington County Court of Common Pleas in 2017.

[5] Republican state representative Matt E. Baker was appointed by President Donald Trump to serve in the U.S. Department of Health and Human Services in March 2018.

[7] Republican state representative Scott Petri was named executive director of the Philadelphia Parking Authority in December 2017.