Union City is a city in Wayne Township, Randolph County, Indiana, United States. , the city had a population of 3,584. Union City was a stop along the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, a forerunner of the Pennsylvania Railroad that connected Pittsburgh to Chicago and St. Louis. The Cleveland, Cincinnati, Chicago and St. Louis Railway (also known as the "Big Four", a predecessor of the New York Central) had the east–west route connecting Indianapolis, Anderson and Muncie, Indiana with Sidney, Bellefontaine and Columbus, Ohio. It is believed by some area residents that the town got its nickname "The Hub City" because the two railroads intersected near the Ohio and Indiana state line. History Union City was platted in 1849, eleven years after its twin city of Union City, Ohio. A post office has been in operation at Union City, Indiana since 1852. The William Kerr House, Raphael Kirshbaum Building, Union City Commercial Historic District, Union City Passenger Depot, Union City Public Library, and Union City School are listed on the National Register of Historic Places. Geography Union City is located at (40.201173, -84.815094). According to the 2010 census, Union City has a total area of , of which (or 99.59%) is land and (or 0.41%) is water. Demographics 2010 census As of the census of 2010, there were 3,584 people, 1,477 households, and 922 families residing in the city. The population density was . There were 1,733 housing units at an average density of . The racial makeup of the city was 87.6% White, 1.1% African American, 0.1% Native American, 0.1% Asian, 9.2% from other races, and 1.9% from two or more races. Hispanic or Latino of any race were 12.8% of the population. There were 1,477 households, of which 33.0% had children under the age of 18 living with them, 41.4% were married couples living together, 15.2% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 37.6% were non-families. 32.8% of all households were made up of individuals, and 17% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 3.04. The median age in the city was 35.4 years. 28.3% of residents were under the age of 18; 8.7% were between the ages of 18 and 24; 24.7% were from 25 to 44;