Members of the 110th United States Congress Overview Partisan mix of the House by state

| State_ranked_in_partisan_order | Percentage_Democrats | Percentage_Republicans | Democratic_Republican | Democratic_seat_plurality |
|---|---|---|---|---|
| Massachusetts | 100% | 0% | 10/0 | 10 |
| Hawaii | 100% | 0% | 2/0 | 2 |
| Maine | 100% | 0% | 2/0 | 2 |
| New Hampshire | 100% | 0% | 2/0 | 2 |
| Rhode Island | 100% | 0% | 2/0 | 2 |
| North Dakota | 100% | 0% | 1/0 | 1 |
| South Dakota | 100% | 0% | 1/0 | 1 |
| Vermont | 100% | 0% | 1/0 | 1 |
| Connecticut | 80% | 20% | 4/1 | 3 |
| Oregon | 80% | 20% | 4/1 | 3 |
| New York | 79% | 21% | 23/6 | 17 |
| Maryland | 75% | 25% | 6/2 | 4 |
| Arkansas | 75% | 25% | 3/1 | 2 |
| Washington | 67% | 33% | 6/3 | 3 |
| West Virginia | 67% | 33% | 2/1 | 1 |
| California | 64% | 36% | 34/19 | 15 |
| Minnesota | 63% | 38% | 5/3 | 2 |
| Wisconsin | 63% | 38% | 5/3 | 2 |