Donald Trump is proving to be “absolute kryptonite” for Republicans hoping to run in major U.S. cities, according to CNN’s data guru.

Harry Enten, the network’s chief data analyst, noted that since Trump first entered office in 2017, the number of GOP mayors among the 50 most populous cities fell from 14 to just seven in 2025.

Enten highlighted the continued decline in Republican mayors after Eileen Higgins defeated Trump-backed Republican Emilio González to become the first Democrat to win a mayoral election in Miami in 28 years. The result was the latest in a growing list of crushing defeats for Trump-endorsed candidates in local elections this year, including the electoral wipeout in mayoral and gubernatorial races across New York, New Jersey, and Virginia on November 5.

“GOP mayors

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