Huntington, known as the Lime City, is a small city in and the county seat of Huntington County, Indiana, United States. It is in Huntington Township and Union Township. The population was 17,391 at the 2010 census. Huntington is located at 40°52′55″N 85°29′44″W / 40.882083°N 85.495595°W / 40.882083; -85.495595.