I'd say 15-20 points would be a landslide, but good list
The
New York Times had rated the House races before the election.
For the 11 Democrat Favored seats, the average final margin was 14%.
For the 10 Democrat Leaning seats, the average final margin was also 14% among the 9 that were decided. They did lose one of the seats IN-9 and could lose the runoff in LA-7.
The 7 tossup seats were decided by a 4% majority, with LA-3 to be decided in a runoff.
The 15 Republican Leaning seats were won by an average margin of 14%, including the one that was lost (IL-8).
The 21 Republican Favored seats were won by an average margin of 15%.
The other 371 seats were rated as Solid Demcrat or Republican.
