Incumbent John Rutherford holds a commanding position in the August 18, 2026, Republican primary for Florida’s 5th Congressional District, reflecting his established fundraising edge of roughly $696,000 compared to challenger Mark Kaye’s $28,000 as of late June, along with prior primary victories exceeding 67 percent. The district’s strong Republican lean and Rutherford’s record of consistent reelection support have limited the impact of Kaye’s campaign, which centers on criticism of special-interest funding. Other declared or withdrawn candidates have not altered the competitive landscape. Late shifts remain possible through an unexpected scandal, health development, or unusually high challenger turnout in the final days before voting, though the primary timeline and resource disparities constrain such outcomes.