Includes all Republican nominees in House districts that were D+15 or more Democratic who reported contributions to the Federal Election Commission. Candidates who did not reach the $5,000 threshold in contributions or expenditures were not required to file reports.

FiveThirtyEight's partisan lean is the average margin difference between how a state or district votes and how the country votes overall. Read more here about how FiveThirtyEight's partisan lean metric works.