Who will control the House after the midterm elections? Use this tool to simulate the outcome and see trends over time.
17 incumbents are unopposed, while 13 others face a 3rd party opponent. Six elections are between two Democrats
The outcome of several GOP primaries in New Hampshire may impact how competitive those races are in November
The three - two from New York and one from Alaska - recently won special elections
Voters will choose nominees for governor to replacing the retiring Republican Gov. Charlie Baker