Lyons is a town in Washington Township, Greene County, Indiana, United States. The population was 742 at the 2010 census. It is part of the Bloomington, Indiana Metropolitan Statistical Area. History Lyons was named in honor of Squire Joe Lyons, a county official. The Lyons post office opened in 1870. Geography Lyons is located at (38.988685, -87.082211). According to the 2010 census, Lyons has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 742 people, 270 households, and 175 families living in the town. The population density was . There were 310 housing units at an average density of . The racial makeup of the town was 98.1% White, 0.1% African American, 0.5% Native American, 0.3% Asian, 0.1% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 1.5% of the population. There were 270 households, of which 31.5% had children under the age of 18 living with them, 50.0% were married couples living together, 10.7% had a female householder with no husband present, 4.1% had a male householder with no wife present, and 35.2% were non-families. 29.6% of all households were made up of individuals, and 15.2% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.04. The median age in the town was 43.3 years. 22.1% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 21.9% were from 25 to 44; 23.8% were from 45 to 64; and 24.3% were 65 years of age or older. The gender makeup of the town was 49.2% male and 50.8% female. 2000 census As of the census of 2000, there were 748 people, 281 households, and 198 families living in the town. The population density was . There were 322 housing units at an average density of . The racial makeup of the town was 98.93% White, 0.27% Native American, 0.40% Asian, 0.13% from other races, and 0.27% from two or more races. Hispanic or Latino of any race were 0.80% of the population. There were 281 households, out of which 34.2% had children under the age of 18 living with them, 54.1% were married couples living together, 11.0% had a female householder with no husband present, and 29.2% were non-families. 26.0%