no longer has a passenger train station, it is still very much a part of the "Crossroads of America" due to its proximity to I-65, I-80, I-90, and I-94. Additionally, the Canadian National railroad still runs freight on the tracks, including through the downtown area. Until 1991, Valparaiso was the terminal of Amtrak's Calumet commuter service. Geography The city is situated at the junctions of U.S. Route 30, State Road 2, and State Road 49. According to the 2010 census, Valparaiso has a total area of , of which (or 99.69%) is land and (or 0.31%) is water. Topography The city is situated on the Valparaiso Moraine. Glaciation has left numerous features on the landscape here. Kettle lakes and knobs make up much of this hilly area of Northwest Indiana. The Pines Ski Area is the only remaining kame in the city; the other one is under the university's Chapel of the Resurrection, however, grading of land in that area makes that particular kame almost nonexistent. Many glacial erratics can be found throughout the city. The moraine has left the city with mostly clay soil. Climate Demographics 2010 census As of the census of 2010, there were 31,730 people, 12,610 households, and 7,117 families residing in the city. The population density was . There were 13,506 housing units at an average density of . The racial makeup of the city was 89.9% White, 3.3% African American, 0.3% Native American, 2.1% Asian, 0.1% Pacific Islander, 2.2% from other races, and 2.1% from two or more races. Hispanic or Latino of any race were 7.1% of the population. There were 12,610 households, of which 28.7% had children under the age of 18 living with them, 41.6% were married couples living together, 10.9% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 43.6% were non-families. 34.5% of all households were made up of individuals, and 11.3% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.99. The median age in the city was 33.4 years. 21.3% of residents were under the age of 18; 15.9% were between the ages of 18 and 24; 26.9% were from 25 to 44; 22.8% were from 45 to 64; and 13.1% were 65 years of age or older. The gender makeup of the