Findlay (/ˈfɪnli/ FIN-lee) is a city in Hancock County, Ohio, United States, and its county seat. The second-largest city in Northwest Ohio, Findlay lies about 40 miles (64 km) south of Toledo. The population was 40,313 at the 2020 census. The principal city of the Findlay micropolitan area, it is home to the University of Findlay and the headquarters of Marathon Petroleum.