 About 5.0% of families and 7.0% of the population were below the poverty line, including 10.5% of those under age 18 and 4.5% of those age 65 or over.The nearby Cherokee Sewer Site is a well-preserved prehistoric Indian bison-processing site, which helped to redefine the Archaic period in the Midwest, and the Phipps Site is a National Historic Landmark 1000-year-old Plains farming village that may have been fortified.The annual Jazz Festival is held in January, often headlined by Mark Pender, a member of the Basic Cable band.