Ulen is a town in Center Township, Boone County, in the U.S. state of Indiana. The population was 117 at the 2010 census. The town is surrounded by the city of Lebanon. History The Ulen Country Club was established in 1924 and Ulen was incorporated as a town in 1929. It was named for Henry Ulen, an industrialist. The Ulen Historic District was listed on the National Register of Historic Places in 2015. Geography Ulen is located at (40.064213, -86.463431). According to the 2010 census, Ulen has a total area of , all land. Demographics 2010 census At the 2010 census there were 117 people, 49 households, and 40 families living in the town. The population density was . There were 54 housing units at an average density of . The racial makup of the town was 100.0% White. Hispanic or Latino of any race were 0.9%. Of the 49 households 24.5% had children under the age of 18 living with them, 75.5% were married couples living together, 6.1% had a female householder with no husband present, and 18.4% were non-families. 18.4% of households were one person and 10.2% were one person aged 65 or older. The average household size was 2.39 and the average family size was 2.70. The median age in the town was 51.8 years. 19.7% of residents were under the age of 18; 4.3% were between the ages of 18 and 24; 11.2% were from 25 to 44; 38.5% were from 45 to 64; and 26.5% were 65 or older. The gender makeup of the town was 51.3% male and 48.7% female. 2000 census At the 2000 census there were 123 people, 48 households, and 39 families living in the town. The population density was . There were 53 housing units at an average density of . The racial makup of the town was 100.00% White. Of the 48 households 25.0% had children under the age of 18 living with them, 79.2% were married couples living together, 2.1% had a female householder with no husband present, and 16.7% were non-families. 14.6% of households were one person and 6.3% were one person aged 65 or older. The average household size was 2.56 and the average family size was 2.85. The age distribution was 22.8% under the age of 18, 5.7% from 18 to 24, 13.8% from 25 to 44, 31.7% from 45 to 64, and 26.0% 65