Fremont is a city in and the county seat of Sandusky County, Ohio, United States. The population was 16,734 at the 2010 census. It was the home of Rutherford B. Hayes, who served as President of the United States from 1877 to 1881. The Rutherford B. Hayes Presidential Center remains one of the focal points of Fremont, OH. The National Arbor Day Foundation designated Fremont as a Tree City USA.GeographyFremont is located at , along the Sandusky River.According to the United States Census Bureau, the city has a total area of 8.57 square miles (22.20 km2), of which, 8.35 square miles (21.63 km2) is land and 0.22 square miles (0.57 km2) is water.Demographics2010 censusAs of the census of 2010, there were 16,734 people, 6,745 households, and 4,162 families residing in the city. The population density was 2,004.1 inhabitants per square mile (773.8 /km2). There were 7,541 housing units at an average density of 903.1 per square mile (348.7 /km2). The racial makeup of the city was 80.7% White, 8.3% African American, 0.2% Native American, 0.3% Asian, 5.3% from other races, and 5.1% from two or more races. Hispanic or Latino of any race were 16.1% of the population.