Republican Rep. Andy Barr has defeated Democrat Charles Booker in Kentucky’s U.S. Senate race, according to a call by the Decision Desk. The win keeps the open seat being vacated by longtime Sen. Mitch McConnell in Republican hands after more than four decades in the Senate and his historic tenure as the chamber’s longest-serving party leader.

Barr entered the general election as the Republican nominee after defeating former Kentucky Attorney General Daniel Cameron and several other candidates in the May primary. President Donald Trump endorsed Barr, helping consolidate support among Republican voters. The congressman represented Kentucky’s 6th Congressional District beginning in 2013 and campaigned on his experience in Washington, support for Trump’s agenda and ability to bring federal resources back to the Commonwealth.

Booker secured the Democratic nomination after defeating former U.S. Senate candidate Amy McGrath in the primary. A former Kentucky state representative from Louisville, Booker had previously challenged Republican Sen. Rand Paul in 2022, losing by approximately 23 percentage points. His campaign sought to build a broader coalition of Democrats, independents, and Republicans by emphasizing health care costs, wages, housing affordability, and economic opportunity.

The race attracted national attention in its final days. Former President Barack Obama endorsed Booker on November 1, just two days before Election Day, praising the Democrat’s focus on working families. The endorsement followed support from Democratic governors, senators, and Kentucky Gov. Andy Beshear. Trump, meanwhile, campaigned for Barr and described the congressman as a candidate who would serve the state well in the Senate.

Booker attempted to make the election competitive by arguing that Kentucky voters were dissatisfied with the direction of the country and deserved a senator focused on economic concerns rather than party politics. He promoted progressive proposals including expanded health care access, stronger Social Security and Medicaid protections, and policies aimed at lowering prescription drug costs. He also criticized Trump’s tariff policies and opposed the administration’s military actions in Iran.

Barr presented a contrasting agenda centered on conservative economic policies, border security, energy production, and support for the Trump administration. During the campaign, he criticized Booker’s progressive platform, arguing that his opponent's proposals would move Kentucky too far to the left. Barr also emphasized his work on financial services issues and his support for extending Republican tax policies.

The financial gap between the campaigns was substantial. Barr significantly outraised Booker and entered the final stretch with a much larger campaign operation. The Cook Political Report rated the contest Solid Republican, despite Booker’s efforts to draw national attention and his campaign’s claims that internal polling showed the race tightening.

McConnell’s retirement made the contest particularly significant for Kentucky Republicans. First elected to the Senate in 1984, McConnell served as Republican leader from 2007 to 2025 and helped shape the federal judiciary, tax policy, and the party’s legislative agenda. His departure ends one of the longest and most influential careers in modern Senate history.

Barr’s victory ensures that a Republican will continue representing Kentucky in the Senate when McConnell leaves office in January 2027. The result also marks a small setback for Democrats, who had hoped that the open seat and a high-profile campaign could give them an opportunity to make gains in a state that has consistently supported Republican candidates in recent federal elections.