The first open Kentucky Senate seat since 1972. Seven-term Senator Mitch McConnell — the longest-serving Senate party leader in U.S. history — announced February 20, 2025 that he will not seek re-election. The Republican primary features three credible candidates: U.S. Rep. Andy Barr (polling leader, top fundraiser), former AG Daniel Cameron (name ID frontrunner), and political outsider Nate Morris (Musk-backed, Charlie Kirk endorsed). Seven Democrats are running, led by Charles Booker. Kentucky has not elected a Democrat to the Senate since 1992.
The Republican primary is one of the most competitive and expensive open-seat Senate primaries in the country. The race has attracted over $15M in super PAC spending — Elon Musk's $10M donation to the pro-Morris Fight for Kentucky PAC is the single largest contribution in the 2026 midterm cycle, while Barr's Keep America Great PAC has spent $7.5M attacking Morris. All three major candidates are McConnell critics (all three interned for him) who campaign as the truest Trump loyalist.
The central variable: Donald Trump has not endorsed anyone. A Trump endorsement would almost certainly be decisive in a state he carried by 30+ points in 2024. All three candidates have made securing Trump's endorsement a priority. Cameron was Trump's choice for governor in 2023, but Cameron lost to Democrat Andy Beshear. Barr served as Trump's 2024 Kentucky campaign chairman. Morris launched his campaign on Donald Trump Jr.'s podcast and has assembled a MAGA infrastructure with Musk, Kirk, Banks, and Moreno.
The Democratic primary is less competitive but consequential for party-building. Charles Booker (Hood to the Holler) leads at 36% with Gov. Beshear's endorsement. Amy McGrath — who raised $90M to lose to McConnell in 2020 — is running again with strong fundraising but a controversial out-of-state donor base. No Democrat has won a Kentucky Senate race since Wendell Ford in 1992.
Charles Booker — Former State Rep · 2022 nominee · Beshear endorsed · Score: 70%
Amy McGrath — Retired Marine fighter pilot · 2020 nominee · Score: 64%
Pamela Stevenson — KY House Minority Leader · Score: 60%
Andy Barr — U.S. Rep KY-06 · $10.2M raised · Pro-Israel · Score: 62%
Daniel Cameron — Former KY AG · First Black AG · Score: 63%
Nate Morris — Entrepreneur · Musk $10M PAC · Score: 58%
Background: 8th generation Kentuckian from Lexington. University of Virginia BA in Government (Phi Beta Kappa), University of Kentucky Law. Served in Kentucky Governor Fletcher's administration before entering Congress in 2013. 13 years in U.S. House representing KY-06. House Financial Services Committee senior member; China Task Force Co-Chair.
2026 context: First Kentucky delegation member to endorse Trump in 2024; served as Kentucky campaign chairman. Slogan: "Kentucky Tough. 100% America First." Leads Republican primary at 28% (Emerson March 2026). $6.42M CoH entering 2026 — largest in the race. Keep America Great PAC has spent $7.5M running attack ads on Morris. Key legislation: ESG bill (Biden's first veto), Secure the Border Act, TCJA support.
Attacks: Morris camp calls him "McConnell 2.0" (he interned for McConnell). Cameron camp says he "voted with Nancy Pelosi 12,000 times." Barr campaign surfaced that Morris supported Afghan visas and ran a "DEI company." ⬤ Pro-Israel: ~$300K career pro-Israel lobby contributions per TrackAIPAC.
Background: Born in Plano TX, raised in Elizabethtown KY. University of Louisville BA and JD. McConnell's general counsel 2015–2017 (shepherded Neil Gorsuch confirmation). Kentucky AG 2019–2024 — first Republican AG since 1948 and first Black AG in state history. 2023 GOP gubernatorial nominee — lost to incumbent Beshear 53%–47% despite Trump endorsement. Currently CEO of 1792 Exchange, advocating against corporate DEI.
2026 context: First elected Kentucky official to endorse Trump in Jan 2023. Spoke for Trump at 2020 RNC. Strategy: let Barr and Morris spend millions attacking each other, emerge as the credible alternative. Has 100+ Kentucky law enforcement endorsements. Led polls in late 2025 at 40%+; now at 21% (Emerson March). Weakest fundraising of the top three (~$2M) — no outside PAC has emerged to support him. Issues: DEI elimination (his day job), border security, coal, crypto/Bitcoin.
Background: 9th-generation Kentuckian from Morgan County, Appalachia. Raised by single mother on food stamps in Louisville. Founded Rubicon Technologies (waste and recycling), grew it to $700M revenue; de-listed from NYSE after going public via SPAC. CEO of Morris Industries. Kentucky Entrepreneur Hall of Fame, Fortune 40 under 40. Friend of JD Vance; major Trump 2024 donor.
2026 context: Announced candidacy on Donald Trump Jr.'s podcast. Endorsed by: Elon Musk ($10M to Fight for Kentucky PAC — the largest single contribution in the 2026 midterms), late Charlie Kirk (Turning Point USA), Sens. Jim Banks and Bernie Moreno, Vivek Ramaswamy, Steve Bannon, Richard Uihlein. Signature positions: full immigration moratorium, end birthright citizenship, nuke the filibuster. Attacks: "No Mitch 2.0 — Barr and Cameron are McConnell puppets."
Vulnerabilities: Rubicon de-listing used in Barr attack ads. Former Nikki Haley donor — used as evidence he was not always Trump-first. DEI accusations (Rubicon reportedly had DEI programs). Has spent heavily but polling has not moved proportionally ($10M+ spent, stuck at ~15%).
Charles Booker — Louisville. Former KY State Rep HD-43. 2022 Senate nominee (lost to Paul 61.8%–38.2%). Founded Hood to the Holler coalition. Endorsed by Gov. Beshear and Lt. Gov. Coleman. Leads Democratic primary at 36%. Campaign: "This moment calls for bold action, moral courage and leaders with the vision to build coalitions." charlesbooker.com
Amy McGrath — Retired Marine lieutenant colonel and fighter pilot. 2020 Senate nominee — raised $90M, lost to McConnell 57.8%–38.2%. 2018 KY-06 candidate (lost to Barr). Currently on Naval Academy Board of Visitors. Raised $1.3M — highest in Democratic field. 18 of 19 maximum donors live outside Kentucky. At 18% in Democratic primary. amymcgrath.com
Pamela Stevenson — Louisville. First Black woman to serve as Kentucky House Minority Leader (2025–). State Rep HD-43 since 2021. 2023 AG nominee. At 3% in Democratic primary with limited fundraising (~$200K). Grassroots campaign.
Also running (not scored): Dale Romans (horse trainer), Logan Forsythe (attorney, former Secret Service), Joel Willett (former CIA officer), Joshua Blanton Sr. (Army veteran), Vincent Thompson (farmer).
Andy Barr has a documented pro-Israel voting record and approximately $300K in career pro-Israel lobby contributions per TrackAIPAC and OpenSecrets. He and Nate Morris both endorsed Ed Gallrein — the Trump-backed primary challenger to Rep. Thomas Massie — explicitly citing Massie's anti-Israel votes. No pro-Israel independent expenditure spending has been documented targeting the Kentucky Senate primary as of April 2026.
| Candidate | Israel Position | Basis |
|---|---|---|
| Andy Barr (R) | ⬤ Pro-Israel | ~$300K career pro-Israel lobby contributions (TrackAIPAC/OpenSecrets). Listed by Pro Israel America. Endorsed anti-Massie challenger citing Massie's Israel votes. House Foreign Affairs Committee. Opposed Iran nuclear deal. ip_foreign:8 applied. |
| Daniel Cameron (R) | — Not Documented | No direct pro-Israel lobby contributions documented. Broadly pro-Israel as a Republican candidate but no direct lobby money identified. |
| Nate Morris (R) | — Not Documented | Endorsed anti-Massie challenger alongside Barr. Traveled to Israel with Rand Paul in 2013. No direct pro-Israel lobby contributions documented for this race. |
| Charles Booker (D) | — Not Documented | No documented pro-Israel lobby spending. |
| Amy McGrath (D) | — Not Documented | No documented pro-Israel lobby spending. |
| Pamela Stevenson (D) | — Not Documented | No documented pro-Israel lobby spending. |
PoliVion scores every candidate on the same formula using only publicly available evidence — FEC filings, voting records, campaign websites, and published policy documents. Scores reflect transparency and governance capacity, not ideology, party preference, or polling position.
The scoring system has two layers: a Base Score from six weighted components, and an Integrity Penalty subtracted for documented donor conflicts, fraud-linked relationships, or foreign-interest exposure.
The Kentucky U.S. Senate primary is held May 19, 2026 — a closed primary in which only registered party members may vote. It is the first open Kentucky Senate seat since 1972, following Mitch McConnell's announcement that he would not seek re-election.
Seven-term Senator Mitch McConnell — the longest-serving Senate party leader in U.S. history — announced on February 20, 2025 that he would not seek re-election in 2026.
The three major Republican candidates are U.S. Rep. Andy Barr (polling leader at 28%), former Attorney General Daniel Cameron (21%), and entrepreneur Nate Morris (15%), who has a $10 million PAC donation from Elon Musk. No Trump endorsement has been made as of April 2026.
Charles Booker leads the Democratic primary at 36%, endorsed by Governor Andy Beshear. Amy McGrath (the 2020 Senate nominee) is second at 18%. Pamela Stevenson, Kentucky's House Minority Leader, is also running.
The general election is November 3, 2026. No Democrat has won a Kentucky Senate race since 1992.