Last week was the deadline for candidates to file to run in the April 28 primary.
President Donald Trump will be challenged in the Republican primary by William Weld and Rocky De La Fuente.
The Democratic candidates are Tom Steyer, Pete Buttigieg, Michael Bloomberg, Amy Klobuchar, Elizabeth Warren, Joe Biden, Bernie Sanders and Tulsi Gabbard.
U.S. Rep. Brian Fitzpatrick (R-1st dist.) will face Andrew Meehan in the primary. The Democrats are Skylar Hurwiz, Debbie Wachspress and Christina Finello.
In the 18th Legislative District, the candidates are Democrat Harold Hayes and Republican K.C. Tomlinson. Those two will first square off on March 17 in a special election to fill the seat vacated by Republican Gene DiGirolamo, now a Bucks County commissioner. The general election is Nov. 3.
State Rep. John Galloway (D-140th dist.) will face Republican Jeanine Mary McGee.
Rep. Tina Davis (D-141st dist.) will go against Republican Kelly Bellerby-Allen.
Rep. Frank Farry (R-142nd dist.) is being challenged by Democrat Malinda Lauren Lareau, who took 44 percent of the vote against the incumbent in 2018.
Rep. Wendi Thomas (R-178th dist.) will face Democrat Ann Marie Mitchell.
Statewide, Democratic Attorney General Josh Shapiro will take on Republican Heather Heidelbaugh.
State Treasurer Joe Torsella, a Democrat, awaits Republican Stacy Garrity in the general election.
Democratic candidates for auditor general are Scott Conklin, Nina Ahmad, Tracie Fountain, Michael Lamb, Rose Marie Davis and Christina Hartman. The Republican nominee will be Tim DeFoor.
Democrats and Republicans will also vote for delegates and alternate delegates to their respective national conventions.