Key congressional districts could offer early clues about the balance of power in the next House of Representatives, with analysts focusing on four distinct types of races that may shape the outcome. Competitive contests in districts where one party holds a narrow advantage, flips from one party to another, or where a candidate is running unopposed could reveal broader trends. Additionally, races involving open seats—where no incumbent is running—may highlight shifting voter priorities. Understanding these dynamics could help predict which party gains momentum as results come in.


Four types of House races to watch on election night to know how it might go  NPR