2004 United States gubernatorial elections

United States gubernatorial elections were held on November 2, 2004, in 11 states and two territories. There was no net gain in seats for either party, as Democrats picked up an open seat in Montana while defeating incumbent Craig Benson in New Hampshire, while Republicans defeated incumbent Joe Kernan in Indiana and won Missouri after Bob Holden lost in the primary. These elections coincided with the presidential election.

Closest races
States where the margin of victory was under 1%:
 * 1)  Washington, 0.005% 
 * 2)  Puerto Rico, 0.2% 

States where the margin of victory was under 5%:
 * 1)  New Hampshire, 2.1% 
 * 2)  Missouri, 3.0% 
 * 3)  Montana, 4.4% 

States where the margin of victory was under 10%:
 * 1)  Delaware, 5.1% 
 * 2)  Indiana, 7.7% 

Delaware
The 2004 Delaware gubernatorial election was held on November 2, 2004, coinciding with the U.S. presidential election. Incumbent Governor Ruth Ann Minner faced a serious challenge from retired Superior Court Judge Bill Lee, but managed a five-point victory on election day. , this was the last time Kent County voted for the Republican candidate in a gubernatorial election or that the statewide margin was within single digits.

Indiana
The 2004 Indiana gubernatorial election took place on November 2, 2004, to elect the Governor of Indiana.

Incumbent Democratic Governor Joe Kernan was defeated by Republican Mitch Daniels. Daniels' victory was the first time the Republican Party had been elected governor since 1984, and gave the party control of all the important statewide offices. It was also the first time an incumbent governor had been defeated since the Constitution of Indiana was amended in 1972 to permit governors to serve two consecutive terms.

Missouri
The 2004 Missouri gubernatorial election was held on November 2, 2004 for the post of Governor of Missouri. The Republican nominee, Missouri Secretary of State Matt Blunt, defeated Democratic State Auditor Claire McCaskill. This gave the Republican Party control of both the governorship and the Missouri General Assembly for the first time in 80 years.

McCaskill had earlier defeated incumbent Governor Bob Holden in the Democratic primary. This was the first time a sitting Governor of Missouri had been defeated in a primary and the first time any United States governor had lost in a primary since the 1994 elections.

Coincidentally, McCaskill's mother, Betty Anne, had previously been defeated by Blunt's grandfather, Leroy Blunt, in a 1978 General Assembly election. Blunt's father, Roy Blunt, was a Congressman and served with McCaskill in the U.S. Senate from 2011 to 2019.

Montana
The 2004 Montana gubernatorial election took place on November 2, 2004 for the post of Governor of Montana. Democrat Brian Schweitzer defeated Montana Secretary of State and Republican nominee Bob Brown with 50.4% of the vote against 46%. Schweitzer formed a ticket with a Republican running mate, choosing state legislator John Bohlinger for the lieutenant governorship.

New Hampshire
The 2004 New Hampshire gubernatorial election occurred on November 2, 2004, concurrent with that year's presidential election. Democrat John Lynch, a multimillionaire businessman from Hopkinton, narrowly defeated incumbent Republican Governor Craig Benson of Rye, winning a two-year term. Benson was the first New Hampshire governor in 80 years to lose reelection after one term. Lynch was sworn in on January 6, 2005.

To date, Benson is the most recent incumbent governor to lose reelection in any New England state.

North Carolina
The 2004 North Carolina gubernatorial election was held on November 2, 2004. The general election was between the Democratic incumbent Mike Easley and the Republican nominee Patrick J. Ballantine. Easley won by 56% to 43%, winning his second term as governor. This is the last time a Democrat was elected governor of North Carolina by double digits.

North Dakota
The 2004 North Dakota gubernatorial election took place on 2 November 2004 for the post of Governor of North Dakota. Incumbent Republican Governor John Hoeven was easily re-elected defeating Democratic-NPL former state senator Joe Satrom.

Utah
The 2004 Utah gubernatorial election took place on November 2, 2004. The incumbent governor was Republican Olene S. Walker, who had become governor following Mike Leavitt's resignation to join the George W. Bush administration. However, Walker placed fourth in the Republican primary, far behind Jon Huntsman Jr. Huntsman won the nomination and went on to win the general election, carrying 25 of the 29 counties and winning 57.7% of the overall vote. This was the last time that a Democratic nominee for any statewide office has received forty percent or more of the popular vote, and the most recent election in which a Democratic nominee carried more than three counties in the state.

Vermont
The 2004 Vermont gubernatorial election took place November 2, 2004 for the post of Governor of Vermont. Incumbent Republican Governor Jim Douglas was re-elected. Douglas defeated Peter Clavelle, the Progressive Mayor of Burlington, who ran as a Democrat.

Washington
The 2004 Washington gubernatorial election was held on November 2, 2004. The race gained national attention for its legal twists and extremely close finish, among the closest political races in United States election history. Republican Dino Rossi was declared the winner in the initial automated count and again in a subsequent automated recount, but after a second recount done by hand, Democrat Christine Gregoire took the lead by a margin of 129 votes.

Although Gregoire was sworn in as governor of Washington on January 12, 2005, Rossi did not formally concede and called for a re-vote over concerns about the integrity of the election. The Republican Party filed a lawsuit in Chelan County Superior Court contesting the election, but the trial judge ruled against it, citing lack of evidence of deliberate electoral sabotage. Rossi chose not to appeal to the Washington State Supreme Court, formally conceding the election on June 6, 2005.

West Virginia
The 2004 West Virginia gubernatorial election took place on November 2, 2004 for the post of Governor of West Virginia. Democratic Secretary of State of West Virginia Joe Manchin defeated Republican Monty Warner. Manchin won all but three counties. Despite Democratic presidential nominee John Kerry losing the state to George W. Bush by double digits in the concurrent presidential election, Manchin won by nearly 30 points.