2018 Gubernatorial Races
| State | Incumbent | Incumbent Election Results 2014/2016 | Date of Democratic Primary | Date of Republican Primary | Dem Nominee | GOP Nominee | Independent | Latest Polling |
| Alabama | Kay Ivey (R) | 2014: R. Bentley (R): 63.6% P. Griffith (D): 36.4% *Ivey was Lieutenant Governor until Bentley resigned |
6/5/18 | 6/5/18 | Walter Maddox | Kay Ivey | Clink here | |
| Alaska | Bill Walker (I) | 2014: B. Walker (i): 48.1% S. Parnell (R): 46.4% |
8/21/18 | 8/21/18 | Mark Begich | Mike Dunleavy | Bill Walker | Click here |
| Arizona | Doug Ducey (R) | 2014: D. Ducey (R): 53.5% F. Duval (D): 41.6% |
8/28/18 | 8/28/18 | David Garcia | Doug Ducey | Click here | |
| Arkansas | Asa Hutchinson (R) | 2014: A. Hutchinson (R): 55.4% M. Ross (D): 41.5% |
5/22/18 | 5/22/18 | Jared Henderson | Asa Hutchinson | Click here | |
| California | Jerry Brown (D) | 2014: J. Brown (D): 59.45% N. Kashkari (R): 40.6% |
6/5/18 | 6/5/18 | Gavin Newsom | John Cox | Click here | |
| Colorado | John Hickenlooper (D) | 2014: J. Hickenlooper (D): 49.1% B. Beauprez (R): 46.2% |
6/26/18 | 6/26/18 | Jared Polis | Walker Stapleton | Click here | |
| Connecticut | Dannel Malloy (D) | 2014: D. Malloy (D): 50.7 % T. Foley (R): 48.2% |
8/14/18 | 8/14/18 | Ned Lamont | Bob Stefanowski | Click here | |
| Florida | Rick Scott (R) | 2014: R. Scott (R): 48.2% C. Crist (D) : 47.1% |
8/28/18 | 8/28/18 | Andrew Gillum | Ron DeSantis | Click here | |
| Georgia | Nathan Deal (R) | 2014: N. Deal (R): 52.8% J. Carter (D): 44.8% |
5/22/18 | 5/22/18 | Stacey Abrams | Brian Kemp | Click here | |
| Hawaii | David Ige (D) | 2014: D. Ige (D): 49.5% D. Aiona (R): 37.1% M. Hannemann (O): 11.7% |
8/11/18 | 8/11/18 | David Ige | Andria Tupola | Click here | |
| Idaho | C.L. “Butch” Otter (R) | 2014: B. Otter (R): 53.5% A. Balukoff (D): 38.6% |
5/15/18 | 5/15/18 | Paulette Jordan | Brad Little | Click here | |
| Illinois | Bruce Rauner (R) | 2014: B. Rauner (R): 50.8% P. Quinn (D): 45.9% |
3/20/18 | 3/20/18 | JB Pritzker | Bruce Rauner | Click here | |
| Iowa | Kim Reynolds (R) | 2014: T. Branstad (R): 59.1% J. Hatch (D): 37.3% *Reynolds was Lieutenant Governor until Branstad became the US Ambassador to China |
6/5/18 | 6/5/18 | Fred Hubbell | Kim Reynolds | Click here | |
| Kansas | Jeff Colyer (R) | 2014: S. Brownback (R): 50.0% P. Davis (D): 46.1% |
8/7/18 | 8/7/18 | Laura Kelly | Kris Kobach | Click here | |
| Maine | Paul LePage (R) | 2014: P. LePage (R): 48.2% M. Michaud (D): 43.3% |
6/12/18 | 6/12/18 | Janet Mills | Shawn Moody | Click here | |
| Maryland | Larry Hogan (R) | 2014: L. Hogan (R): 51.6% A. Brown (D): 46.9% |
6/26/18 | 6/26/18 | Ben Jealous | Larry Hogan | Click here | |
| Massachusetts | Charlie Baker (R) | 2014: C. Baker (R): 48.5% M. Coakley (D): 46.6% |
9/4/18 | 9/4/18 | Jay Gonzalez | Charlie Baker | Click here | |
| Michigan | Rick Snyder (R) | 2014: R. Snyder (R): 51.0% M. Schauer (D): 46.8% |
8/7/18 | 8/7/18 | Gretchen Whitmer | Bill Schuette | Click here | |
| Minnesota | Mark Dayton (D) | 2014: M. Dayton (D): 50.1% J. Johnson (R): 44.5% |
8/14/18 | 8/14/18 | Tim Walz | Jeff Johnson | Click here | |
| Nebraska | Pete Ricketts (R) | 2014: P. Ricketts (R): 57.6% C. Hassebrook (D): 38.9% |
5/15/18 | 5/15/18 | Bob Krist | Pete Ricketts | Click here | |
| Nevada | Brian Sandoval (R) | 2014: B. Sandoval (R): 70.6% R. Goodman (D): 23.9% |
6/12/18 | 6/12/18 | Steve Sisolak | Adam Laxalt | Click here | |
| New Hampshire | Chris Sununu (R) | 2016: C. Sununu (R):49.0% C. Van Ostern (D): 46.7% |
9/11/18 | 9/11/18 | Steve Marchand | Chris Sununu | Click here | |
| New Mexico | Susana Martinez (R) | 2014: S. Martinez (R): 57.3% G. King (D): 42.7% |
6/5/18 | 6/5/18 | Michelle Lujan Grisham | Steve Pearce | Click here | |
| New York | Andrew Cuomo (D) | 2014: A. Cuomo (D): 54.0% R. Astorino (R): 40.6% |
9/13/18 | 9/13/18 | Andrew Cuomo | Marcus Molinaro | Click here | |
| Ohio | John Kasich (R) | 2014: J. Kasich (R): 63.8% E. Fitzgerald (D): 32.9% |
5/8/18 | 5/8/18 | Richard Cordray | Mike DeWine | Click here | |
| Oklahoma | Mary Fallin (R) | 2014: M. Fallin (R): 55.8% J. Dorman (D): 41.0% |
6/26/18 | 6/26/18 | Drew Edmondson | Kevin Stitt | Click here | |
| Oregon | Kate Brown (D) | 2016 Special Election: K. Brown (D):50.5% B. Pierce (R): 43.8% |
5/15/18 | 5/15/18 | Kate Brown | Knute Buehler | Click here | |
| Pennsylvania | Tom Wolf (D) | 2014: T. Wolf (D): 54.9% T. Corbett (R): 45.1% |
5/15/18 | 5/15/18 | Tom Wolf | Scott Wagner | Click here | |
| Rhode Island | Gina Raimondo (D) | 2014: G. Raimondo (D): 40.8% A. Fung (R): 36.3% B. Healey (O): 21.4% (Deceased) |
9/12/18 | 9/12/18 | Gina Raimondo | Allan Fung | Click here | |
| South Carolina | Henry McMaster (R) | 2014: N. Haley (R): 56.0 % V. Sheheen (D): 41.4% *McMaster was Lieutenant Governor until Haley became UN Ambassador |
6/12/18 | 6/12/18 | James Smith | Henry McMaster | Click here | |
| South Dakota | Dennis Daugaard (R) | 2014: D. Daugaard (R): 70.5% S. Wismer (D): 25.4% |
6/5/18 | 6/5/18 | Billie Sutton | Kristi Noem | Click here | |
| Tennessee | Bill Haslam (R) | 2014: B. Haslam (R): 70.3% C. Brown (D): 22.8% |
8/2/18 | 8/2/18 | Karl Dean | Bill Lee | Click here | |
| Texas | Greg Abbott (R) | 2014: G. Abbot ( R): 59.3% W. Davis (D): 38.9% |
3/6/18 | 3/6/18 | Lupe Valdez | Greg Abbott | Click here | |
| Vermont | Phil Scott (R) | 2016: P. Scott (R): 52.9% S. Minter(D): 44.2% |
8/14/18 | 8/14/18 | Christina Hallquist | Phil Scott | Click here | |
| Wisconsin | Scott Walker (R) | 2014: S. Walker (R): 52.3% M. Burke (D): 46.6% |
8/14/18 | 8/14/18 | Tony Evers | Scott Walker | Click here | |
| Wyoming | Matthew Mead (R) | 2014: M. Mead (R): 62.5% P. Gosar (D): 28.9% |
8/21/18 | 8/21/18 | Mary Throne | Mark Gordon | Click here |
Italics = Indicate incumbents eligible to seek reelection
Red = Republican
Blue = Democrat
A third candidate is only included if she/he receives over 5 percent.