John Cowan
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About
Neurosurgeon who won the June 16, 2026 Republican primary runoff, defeating Rob Adkerson — a top aide to the retiring incumbent — with about 66% of the vote. Cowan is favored in this solidly Republican district and faces Democrat Chris Harden in November.
Experience
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Open seat — Rep. Barry Loudermilk is not seeking re-election. Republican John Cowan faces Democrat Chris Harden on November 3. Covers northwest Atlanta suburbs including Kennesaw, Acworth, Cartersville, and Rome. Solidly Republican district.
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