Cromwell is a town in Sparta Township, Noble County, in the U.S. state of Indiana. The population was 512 at the 2010 census. History Cromwell was platted in 1853, and so named for the fact its founder was an admirer of English politician Oliver Cromwell. A post office has been in operation at Cromwell since 1851. The Cromwell Historic District was listed on the National Register of Historic Places in 2015. Geography Cromwell is located at (41.404591, -85.612512). According to the 2010 census, Cromwell has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 512 people, 183 households, and 126 families living in the town. The population density was . There were 222 housing units at an average density of . The racial makeup of the town was 92.6% White, 0.2% Native American, 6.1% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 12.9% of the population. There were 183 households, of which 42.6% had children under the age of 18 living with them, 42.1% were married couples living together, 19.1% had a female householder with no husband present, 7.7% had a male householder with no wife present, and 31.1% were non-families. 25.7% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.29. The median age in the town was 30.6 years. 30.1% of residents were under the age of 18; 12.8% were between the ages of 18 and 24; 25.2% were from 25 to 44; 24.2% were from 45 to 64; and 7.6% were 65 years of age or older. The gender makeup of the town was 46.5% male and 53.5% female. 2000 census As of the census of 2000, there were 452 people, 180 households, and 120 families living in the town. The population density was . There were 193 housing units at an average density of . The racial makeup of the town was 94.25% White, 1.33% Asian, 1.11% from other races, and 3.32% from two or more races. Hispanic or Latino of any race were 4.87% of the population. There were 180 households, out of which 35.0% had children under the age of 18 living with them, 48.9% were married couples living together, 12.2%