How America Votes
1978 U.S. House election results for all 435 congressional districts, on the district boundaries used that year. Certified returns, presented as numbers only.
Democratic seats
277
Republican seats
158
Other / independent
0
District maps start with the 2022 boundaries; earlier cycles used districts that have since been redrawn. The seat results for 1978 are below.
Seats by state
| State | Democratic | Republican | Other | Seats |
|---|---|---|---|---|
| Alabama | 4 | 3 | — | 7 |
| Alaska | — | 1 | — | 1 |
| Arizona | 2 | 2 | — | 4 |
| Arkansas | 2 | 2 | — | 4 |
| California | 26 | 17 | — | 43 |
| Colorado | 3 | 2 | — | 5 |
| Connecticut | 5 | 1 | — | 6 |
| Delaware | — | 1 | — | 1 |
| Florida | 12 | 3 | — | 15 |
| Georgia | 9 | 1 | — | 10 |
| Hawaii | 2 | — | — | 2 |
| Idaho | — | 2 | — | 2 |
| Illinois | 11 | 13 | — | 24 |
| Indiana | 7 | 4 | — | 11 |
| Iowa | 3 | 3 | — | 6 |
| Kansas | 1 | 4 | — | 5 |
| Kentucky | 4 | 3 | — | 7 |
| Louisiana | 5 | 3 | — | 8 |
| Maine | — | 2 | — | 2 |
| Maryland | 6 | 2 | — | 8 |
| Massachusetts | 10 | 2 | — | 12 |
| Michigan | 13 | 6 | — | 19 |
| Minnesota | 4 | 4 | — | 8 |
| Mississippi | 3 | 2 | — | 5 |
| Missouri | 8 | 2 | — | 10 |
| Montana | 1 | 1 | — | 2 |
| Nebraska | 1 | 2 | — | 3 |
| Nevada | 1 | — | — | 1 |
| New Hampshire | 1 | 1 | — | 2 |
| New Jersey | 10 | 5 | — | 15 |
| New Mexico | 1 | 1 | — | 2 |
| New York | 26 | 13 | — | 39 |
| North Carolina | 9 | 2 | — | 11 |
| North Dakota | — | 1 | — | 1 |
| Ohio | 10 | 13 | — | 23 |
| Oklahoma | 5 | 1 | — | 6 |
| Oregon | 4 | — | — | 4 |
| Pennsylvania | 15 | 10 | — | 25 |
| Rhode Island | 2 | — | — | 2 |
| South Carolina | 4 | 2 | — | 6 |
| South Dakota | 1 | 1 | — | 2 |
| Tennessee | 5 | 3 | — | 8 |
| Texas | 20 | 4 | — | 24 |
| Utah | 1 | 1 | — | 2 |
| Vermont | — | 1 | — | 1 |
| Virginia | 4 | 6 | — | 10 |
| Washington | 6 | 1 | — | 7 |
| West Virginia | 4 | — | — | 4 |
| Wisconsin | 6 | 3 | — | 9 |
| Wyoming | — | 1 | — | 1 |