A 1995 Toyota Camry was traveling eastbound on West Main Street when the vehicle struck the pedestrian in the area of Diaz Street.
The 46-year-old driver, a Stamford resident, was uninjured, police said.
The 39-year pedestrian is believed to be a city resident but police are withholding names until the identity of the 39-year-old man can be confirmed.
Police are asking for anyone with information to call (203) 977-4712.
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