The chart tracks vacancies, open seats and potentially open seats in the House. Currently, Republicans hold the majority with 218 seats, while Democrats hold 212 seats. There are four vacancies. Click the districts in the table below to learn more about each race.

Current House Makeup Vacancies:CO-04: Ken Buck (R) resigned March 26. Special election to be held June 25.NJ-10: Donald Payne Jr. (D) died April 24. Special election to be held Sept. 18.OH-06: Bill Johnson (R) resigned Jan. 21. Special election to be held June 11.WI-08: Mike Gallagher (R) resigned April 24. Special election to be held Nov. 5.Open SeatsDemocratic Open Seats (24)

Republican Open Seats (22)

Potentially Open SeatsDemocratic Potentially Open Seats (2)

Republican Potentially Open Seats (1)

More from the Cook Political Report