Louisiana's 5th Congressional District Republican primary features a fragmented field ahead of the May 16 contest to replace the open seat. Blake Miguez holds a modest edge in recent polling and benefits from strong fundraising plus an endorsement from President Trump, yet Michael Echols remains competitive on name recognition within key parishes. High undecided voter shares and the presence of additional candidates such as Misti Cordell and Rick Edmonds continue to split support across the expansive district. These factors sustain uncertainty reflected in current trader consensus, where no single contender exceeds 15 percent implied probability. Late shifts in turnout among rural voters or endorsements from local officials could quickly alter the balance before results are certified.