1978 U.S. House Elections
277D – 158R
277
Democrat
218 for majority
D majority
158
Republican
Total Seats
435
218 for majority
Seats Flipped
35
10 to D · 25 to R
Majority
Democrat (277)
States colored by party seat majority
Closest Races
Results by State
| State | Districts | Dem | Rep | Seat Split |
|---|---|---|---|---|
| Alabama | 7 | 4 | 3 | |
| Alaska | 1 | 0 | 1 | |
| Arizona | 4 | 2 | 2 | |
| Arkansas | 4 | 2 | 2 | |
| California | 43 | 26 | 17 | |
| Colorado | 5 | 3 | 2 | |
| Connecticut | 6 | 5 | 1 | |
| Delaware | 1 | 0 | 1 | |
| Florida | 15 | 12 | 3 | |
| Georgia | 10 | 9 | 1 | |
| Hawaii | 2 | 2 | 0 | |
| Idaho | 2 | 0 | 2 | |
| Illinois | 24 | 11 | 13 | |
| Indiana | 11 | 7 | 4 | |
| Iowa | 6 | 3 | 3 | |
| Kansas | 5 | 1 | 4 | |
| Kentucky | 7 | 4 | 3 | |
| Louisiana | 8 | 5 | 3 | |
| Maine | 2 | 0 | 2 | |
| Maryland | 8 | 6 | 2 | |
| Massachusetts | 12 | 10 | 2 | |
| Michigan | 19 | 13 | 6 | |
| Minnesota | 8 | 4 | 4 | |
| Mississippi | 5 | 3 | 2 | |
| Missouri | 10 | 8 | 2 | |
| Montana | 2 | 1 | 1 | |
| Nebraska | 3 | 1 | 2 | |
| Nevada | 1 | 1 | 0 | |
| New Hampshire | 2 | 1 | 1 | |
| New Jersey | 15 | 10 | 5 | |
| New Mexico | 2 | 1 | 1 | |
| New York | 39 | 26 | 13 | |
| North Carolina | 11 | 9 | 2 | |
| North Dakota | 1 | 0 | 1 | |
| Ohio | 23 | 10 | 13 | |
| Oklahoma | 6 | 5 | 1 | |
| Oregon | 4 | 4 | 0 | |
| Pennsylvania | 25 | 15 | 10 | |
| Rhode Island | 2 | 2 | 0 | |
| South Carolina | 6 | 4 | 2 | |
| South Dakota | 2 | 1 | 1 | |
| Tennessee | 8 | 5 | 3 | |
| Texas | 24 | 20 | 4 | |
| Utah | 2 | 1 | 1 | |
| Vermont | 1 | 0 | 1 | |
| Virginia | 10 | 4 | 6 | |
| Washington | 7 | 6 | 1 | |
| West Virginia | 4 | 4 | 0 | |
| Wisconsin | 9 | 6 | 3 | |
| Wyoming | 1 | 0 | 1 |