Ravenna is a city in Portage County, Ohio, United States. It was formed from portions of Ravenna Township in the Connecticut Western Reserve. The population was 11,771 at the 2000 census and 11,724 at the 2010 Census. It is the county seat of Portage County. It is named for the city of Ravenna, Italy. According to the United States Census Bureau, as of 2010 the city has a total area of 5.7 square miles (15 km2), of which, 5.6 square miles (15 km2) of it is land and 0.83% is water. As of the census of 2000, there were 11,771 people, 4,980 households, and 2,997 families residing in the city. The population density was 2,199.2 people per square mile (849.5/km²). There were 5,313 housing units at an average density of 992.6 per square mile (383.4/km²). The racial makeup of the city was 93.03% White, 4.42% Black, 0.25% American Indian, 0.39% Asian, 0.02% Pacific Islander, 0.23% from other races, and 1.67% from two or more races. Hispanic or Latino of any race were 0.91% of the population.