Elections / 1986
The 1986 elections
A midterm cycle: 34 US Senate contests on record. Presidential pages cover the quadrennial years on either side.
1986 US Senate elections
1986Senate margin
D+60R+60
States with a Senate contest in 1986, each filled by its result. States without a seat up this cycle are faint.
Blue and red show the Democratic-vs-Republican margin; gold marks a seat an independent won.
All 34 results, 1986
| State | Senate margin |
|---|---|
| Kentucky | D+48.8 |
| Hawaii | D+47.1 |
| Illinois | D+31.4 |
| Connecticut | D+29.9 |
| Vermont | D+28.7 |
| South Carolina | D+27.5 |
| Ohio | D+24.9 |
| Arkansas | D+24.6 |
| Maryland | D+21.4 |
| Florida | D+9.5 |
| Louisiana | D+5.6 |
| Nevada | D+5.5 |
| South Dakota | D+3.2 |
| Washington | D+2.0 |
| Georgia | D+1.8 |
| North Carolina | D+1.8 |
| Colorado | D+1.6 |
| California | D+1.4 |
| North Dakota | D+0.7 |
| Alabama | D+0.6 |
| Idaho | R+3.1 |
| Wisconsin | R+3.5 |
| Missouri | R+5.3 |
| New York | R+6.8 |
| Alaska | R+9.9 |
| Oklahoma | R+10.4 |
| Pennsylvania | R+13.6 |
| Arizona | R+21.0 |
| Indiana | R+22.1 |
| Oregon | R+26.9 |
| New Hampshire | R+30.6 |
| Iowa | R+32.5 |
| Kansas | R+40.1 |
| Utah | R+45.8 |
The 1986 cycle at a glance
US Senate
55–45
Democrats flipped
US House
258–177
Democrats held
Governors
D 19 · R 17
36 races
Go deeper by office
Governor pages cover 2018–2025: even-year cycles with county-level precinct detail, the odd-year VA/NJ and KY/LA/MS races as certified statewide results. See the methodology for series notes.