Seven Hills is a city in Cuyahoga County, Ohio, United States. The population was 11,804 at the 2010 census.
Seven Hills is located at 41°23′16″N 81°40′31″W (41.387703, -81.675350).
According to the United States Census Bureau, the city has a total area of 4.92 square miles (12.74 km2), of which 4.91 square miles (12.72 km2) is land and 0.01 square miles (0.03 km2) is water.
As of the census of 2010, there were 11,804 people, 4,989 households, and 3,586 families living in the city. The population density was 2,404.1 inhabitants per square mile (928.2/km2). There were 5,167 housing units at an average density of 1,052.3 per square mile (406.3/km2). The racial makeup of the city was 95.6% White, 0.8% African American, 0.1% Native American, 2.5% Asian, 0.2% from other races, and 0.7% from two or more races. Hispanic or Latino of any race were 1.3% of the population.
There were 4,989 households of which 21.5% had children under the age of 18 living with them, 61.0% were married couples living together, 7.7% had a female householder with no husband present, 3.2% had a male householder with no wife present, and 28.1% were non-families. 24.8% of all households were made up of individuals and 14.4% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.82.