The 4th district is located in the northeastern part of the state, along the
Ohio River, including the suburbs of
Cincinnati and the eastern suburbs of
Louisville. The incumbent is Republican
Thomas Massie, who was re-elected unopposed in 2024. In June 2025, Trump openly called for a primary challenge against Massie, after he spoke out against the
United States strikes on Iranian nuclear sites.
Republican primary Declared • Ed Gallrein, farmer, veteran, and candidate for
Kentucky's 7th Senate district in
2024 •
Thomas Massie, incumbent U.S. representative • Dennis Jackson, farmer • Robert Wells, physician
Endorsements Polling ;Thomas Massie vs. Niki Lee Ethington ;Thomas Massie vs. "Trump-endorsed Republican"
Fundraising Italics indicate a withdrawn candidate.
Democratic primary Declared • Jesse Brewer, inventory management professional • Melissa Strange, businesswoman
Withdrawn • Monica Dean, project manager
Fundraising Italics indicate a withdrawn candidate.
General election Predictions ==District 5==