Hills is a city in Johnson County, Iowa, United States. It is part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 703 at the 2010 census. It is part of the Iowa City Community School District.
Hills is located at 41°33′25″N 91°32′6″W (41.557041, -91.534992).
According to the United States Census Bureau, the city has a total area of 0.63 square miles (1.63 km2), all land.
As of the census of 2010, there were 703 people, 299 households, and 190 families living in the city. The population density was 1,115.9 inhabitants per square mile (430.9/km2). There were 349 housing units at an average density of 554.0 per square mile (213.9/km2). The racial makeup of the city was 93.3% White, 0.3% African American, 0.7% Native American, 1.3% Asian, 1.6% from other races, and 2.8% from two or more races. Hispanic or Latino of any race were 4.0% of the population.
There were 299 households, of which 26.8% had children under the age of 18 living with them, 52.2% were married couples living together, 7.4% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 36.5% were non-families.