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 |
|---|---|---|---|---|
| Iowa | 60% | 40% | 3/2 | 1 |
| Pennsylvania | 58% | 42% | 11/8 | 3 |
| Colorado | 57% | 43% | 4/3 | 1 |
| Indiana | 56% | 44% | 5/4 | 1 |
| Tennessee | 56% | 44% | 5/4 | 1 |
| New Jersey | 54% | 46% | 7/6 | 1 |
| North Carolina | 54% | 46% | 7/6 | 1 |
| United States | 54% | 46% | 233/202 | 31 |
| Illinois | 53% | 47% | 10/9 | 1 |
| Arizona | 50% | 50% | 4/4 | 0 |
| Kansas | 50% | 50% | 2/2 | 0 |
| Mississippi | 50% | 50% | 2/2 | 0 |
| Georgia | 46% | 54% | 6/7 | -1 |
| Missouri | 44% | 56% | 4/5 | -1 |
| Texas | 41% | 59% | 13/19 | -5 |
| Michigan | 40% | 60% | 6/9 | -3 |
| Ohio | 39% | 61% | 7/11 | -4 |
| Florida | 36% | 64% | 9/16 | -7 |
| Nevada | 33% | 67% | 1/2 | -1 |
| New Mexico | 33% | 67% | 1/2 | -1 |