of households were one person and 19.0% were one person aged 65 or older. The average household size was 2.16 and the average family size was 2.82. Age spread: 23.2% under the age of 18, 7.2% from 18 to 24, 22.9% from 25 to 44, 24.9% from 45 to 64, and 21.9% 65 or older. The median age was 43 years. For every 100 females, there were 92.3 males. For every 100 females age 18 and over, there were 85.4 males. The median household income was $31,240 and the median family income was $42,333. Males had a median income of $28,350 versus $21,333 for females. The per capita income for the city was $17,846. 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. Arts and culture Sites on the National Register of Historic Places The nearby Cherokee Sewer Site is a well-preserved prehistoric Indian bison-processing site. Findings here have helped to redefine the Archaic period in the Midwest. The Phipps Site is a 1000-year-old indigenous Plains farming village, which may have been fortified. It is designated as a National Historic Landmark. Annual events The annual Jazz Festival is held in January, often headlined by Mark Pender, a member of the Basic Cable band. The Cherokee County Fair, and the Cherokee Rodeo are held in the summer. Creek Fest is an annual summer music festival held along the banks of Mill Creek. Past performers include Kid Rock, The Band Perry, Big & Rich, and Florida Georgia Line. Museums Cherokee is the home of the Sanford Museum and Planetarium that opened in 1951. The founders, Mr & Mrs W.A. Sanford, intended to create a museum that was free and open to the public. The facility still operated free to the public and has exhibits and activities on a variety of subjects including: archaeology, art, astronomy, geology, history, natural history, and paleontology. Cherokee may be the smallest town in the world to have its own symphony orchestra, the Cherokee Symphony. This 60-member orchestra has been referred to as "the best kept secret in Northwest Iowa". Education The Cherokee Community School District operates local schools. Infrastructure Health care Cherokee is the home of Cherokee Regional Medical Center. Cherokee is also the home of the Cherokee Mental Health Institute, under the Iowa Department of Human