The APNC was succeeded by the Iowa Southern Railway in 2016 and still provides rail service to the city. Geography Centerville is located in south-central Iowa at the junction of Iowa Highway 2 and Iowa Highway 5. According to the United States Census Bureau, the city has a total area of , of which is land and is water. Climate According to the Köppen Climate Classification system, Centerville has a hot-summer humid continental climate, abbreviated "Dfa" on climate maps. Demographics 2010 census As of the census of 2010, there were 5,528 people, 2,491 households, and 1,411 families residing in the city. The population density was . There were 2,838 housing units at an average density of . The racial makeup of the city was 96.5% White, 0.9% African American, 0.4% Native American, 0.3% Asian, 0.3% from other races, and 1.5% from two or more races. Hispanic or Latino of any race were 1.9% of the population. There were 2,491 households, of which 27.5% had children under the age of 18 living with them, 38.4% were married couples living together, 13.9% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 43.4% were non-families. 37.9% of all households were made up of individuals, and 17.6% had someone living alone who was 65 years of age or older. The average household size was 2.17 and the average family size was 2.84. The median age in the city was 41.8 years. 22.6% of residents were under the age of 18; 9% were between the ages of 18 and 24; 22.2% were from 25 to 44; 26.1% were from 45 to 64; and 20.2% were 65 years of age or older. The gender makeup of the city was 46.6% male and 53.4% female. 2000 census As of the census of 2000, there were 5,924 people, 2,583 households, and 1,516 families residing in the city. The population density was . There were 2,935 housing units at an average density of . The racial makeup of the city was 97.35% White, 0.81% African American, 0.14% Native American, 0.37% Asian, 0.44% from other races, and 0.89% from two or more races. Hispanic or Latino of any race were 1.52% of the population. There were 2,583 households, out of which 27.3% had children under the age of 18 living with them, 43.4% were married couples living together, 11.9% had a