 | Key: D: Democratic I: Independent R: Republican Vac: (vacant office) | ||||||||
| State | Governor | Senate | 115th House | ||||||
| D | I | R | D | I | R | D | R | Vac | |
| Alabama | 1 | 1 | 1 | 1 | 6 | ||||
| Alaska | 1 | 2 | 1 | ||||||
| Arizona | 1 | 2 | 4 | 5 | |||||
| Arkansas | 1 | 2 | 4 | ||||||
| California | 1 | 2 | 39 | 14 | |||||
| Colorado | 1 | 1 | 1 | 3 | 4 | ||||
| Connecticut | 1 | 2 | 5 | ||||||
| Delaware | 1 | 2 | 1 | ||||||
| Florida | 1 | 1 | 1 | 11 | 15 | 1 | |||
| Georgia | 1 | 2 | 4 | 10 | |||||
| Hawaii | 1 | 2 | 2 | ||||||
| Idaho | 1 | 2 | 2 | ||||||
| Illinois | 1 | 2 | 11 | 7 | |||||
| Indiana | 1 | 1 | 1 | 2 | 7 | ||||
| Iowa | 1 | 2 | 1 | 3 | |||||
| Kansas | 1 | 2 | 4 | ||||||
| Kentucky | 1 | 2 | 1 | 5 | |||||
| Louisiana | 1 | 2 | 1 | 5 | |||||
| Maine | 1 | 1 | 1 | 1 | 1 | ||||
| Maryland | 1 | 2 | 7 | 1 | |||||
| Massachusetts | 1 | 2 | 9 | ||||||
| Michigan | 1 | 2 | 5 | 9 | |||||
| Minnesota | 1 | 2 | 5 | 3 | |||||
| Mississippi | 1 | 2 | 1 | 3 | |||||
| Missouri | 1 | 1 | 1 | 2 | 6 | ||||
| Montana | 1 | 1 | 1 | 1 | |||||
| Nebraska | 1 | 2 | 3 | ||||||
| Nevada | 1 | 1 | 1 | 3 | 1 | ||||
| New Hampshire | 1 | 2 | 2 | ||||||
| New Jersey | 1 | 2 | 7 | 5 | |||||
| New Mexico | 1 | 2 | 2 | 1 | |||||
| New York | 1 | 2 | 18 | 9 | |||||
| North Carolina | 1 | 2 | 3 | 10 | |||||
| North Dakota | 1 | 1 | 1 | 1 | |||||
| Ohio | 1 | 1 | 1 | 4 | 12 | ||||
| Oklahoma | 1 | 2 | 5 | ||||||
| Oregon | 1 | 2 | 4 | 1 | |||||
| Pennsylvania | 1 | 1 | 1 | 8 | 10 | ||||
| Rhode Island | 1 | 2 | 2 | ||||||
| South Carolina | 1 | 2 | 1 | 6 | |||||
| South Dakota | 1 | 2 | 1 | ||||||
| Tennessee | 1 | 2 | 2 | 7 | |||||
| Texas | 1 | 2 | 11 | 25 | |||||
| Utah | 1 | 2 | 4 | ||||||
| Vermont | 1 | 1 | 1 | 1 | |||||
| Virginia | 1 | 2 | 4 | 7 | |||||
| Washington | 1 | 2 | 6 | 4 | |||||
| West Virginia | 1 | 1 | 1 | 2 | 1 | ||||
| Wisconsin | 1 | 1 | 1 | 3 | 5 | ||||
| Wyoming | 1 | 2 | 1 | ||||||
| Total by Party | 16 | 1 | 33 | 47 | 2 | 51 | 197 | 236 | 2 |
| Grand Total | 50 | 100 | 435 | ||||||
| D | I | R | D | I | R | D | R | Vac | |
| Governor | Senate | 115th House | |||||||
2018 General Election Outline
- 2018 General Election Home
- Popular Vote by Office
- Regarding Popular Vote Edge Cases
- 2018 Primaries and Runoffs for Statewide offices/Congress
- Alphabetically
- Alphabetically with Filing Deadlines
- Chronologically
- Chronologically with Filing Deadlines
- Primary/Runoff/Special Elections Poll Closing Times (across time zones)
- General Election Poll Closing Times Alphabetically (across time zones)
- General Election Poll Closing Times Chronologically (across time zones)
- Polling Hours
- Offices
- Primaries at a Glance
- Regarding Office Edge Cases
- Open Governor's Chairs, Senate and House Seats (the incumbent is not running for re-election)
- Governor's Chairs, Senate, and U.S. House Seats with no incumbent running for them
- Uncontested Governor's Chairs, Senate, and U.S. House Seats (one candidate running for office)
- Governor's Chairs, Senate, and U.S. House Seats with multiple incumbents running for them
- Governor's Chairs, Senate, and U.S. House Seats with only one major party candidate running for office
- 2018 Partisan Composition by State
- Political Parties
- Supplementary
- Statewide Political Party Strength going into the 2018 Midterm Elections
- Relative Political Party Strength by SECTION and Region going into the 2018 Midterm Election
- Weighted Relative Political Party Strength by SECTION and Region
- 2018 Congressional Party Breakdown by Region
- 2018 STATE EXECUTIVE/LEGISLATIVE Political Party Breakdown by SECTION and Region
- History
- Comparative Political Party Predominance in each State, 2000 thru 2016
- Political Party Floor Leaders in the Congress of the United States
- Dates of DIRECT PRIMARY Elections re: Major Party Nominations for Statewide and/or Federal Office
- Length of Terms of Office of STATE Governors throughout American History
- Downloadable data files
Modified .