At-large special election
Mike Embrescia (R)
Alex Rose (I)
District 1
Municipalities include: Avalon, Ben Avon, Ben Avon Heights, Crescent, Emsworth, Findlay, Glenfield, Glen Osborne, Haysville, Kilbuck, Moon, Neville, Ohio Township, Ross, West View.
Kathleen Madonna-Emmerling (D)
Mary Jo Wise (R)
District 3
Municipalities include: Aspinwall, Etna, Fox Chapel, Hampton, Indiana Township, Millvale, O’Hara, Reserve, Shaler, Sharpsburg, West Deer.
Christopher Lochner (R)
Lissa Geiger Shulman (D)
District 4
Municipalities include: Carnegie, Collier, Coraopolis, Kennedy, McDonald-5th District, McKees Rocks, North Fayette, Oakdale, Pennsbury Village, Robinson, South Fayette, Stowe, Thornburg.
Patrick Catena (D)
Bob Doddato (R)
District 8
Municipalities include: Braddock, East McKeesport, East Pittsburgh, Monroeville, North Braddock, North Versailles, Pitcairn, Plum, Rankin, Swissvale, Trafford-1st District, Turtle Creek, Wall, Wilmerding.
Michael Dell (R)
Michelle Naccarati-Chapkis (D)
District 9
Municipalities include: Dravosburg, Duquesne, Elizabeth Borough, Elizabeth Township, Forward, Glassport, Liberty, Lincoln, McKeesport, Munhall, Port Vue, South Versailles, Versailles, West Mifflin, Whitaker, White Oak.
Aaron Adams (D)
Patrick Provins (R)
District 12
Municipalities include: Bridgeville; Crafton; Green Tree; Heidelberg; Ingram; Pittsburgh-19th, 20th, 28th and 32nd wards; Rosslyn Farms; Scott.
Len Iorio (R)
Robert Palmosina (D) — Incumbent