Hills is a city in Johnson County, Iowa, United States. It is part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 679 at the 2000 census. It is part of the Iowa City Community School District.
Hills is located at 41°33′25″N 91°32′6″W / 41.55694°N 91.535°W / 41.55694; -91.535 (41.557041, -91.534992).
According to the United States Census Bureau, the city has a total area of 0.6 square miles (1.6 km²), all of it land.