Manlius is a village in Bureau County, Illinois, United States. The population was 359 at the 2010 census. It is part of the Ottawa - Streator Micropolitan Statistical Area.HistoryA post office called Manlius has been in operation since 1871. The village was named after Manlius, New York.GeographyManlius is located at.According to the 2010 census, Manlius has a total area of 0.31sqmi, all land.DemographicsAs of the census of 2000, there were 355 people, 149 households, and 96 families residing in the village. The population density was 1,158.7 people per square mile (442.1/km²). There were 165 housing units at an average density of 538.6 per square mile (205.5/km²). The racial makeup of the village was 98.59% White, 0.28% African American, 0.85% Native American, 0.28% from other races. Hispanic or Latino of any race were 3.66% of the population.There were 149 households out of which 31.5% had children under the age of 18 living with them, 55.7% were married couples living together, 6.7% had a female householder with no husband present, and 34.9% were non-families. 32.9% of all households were made up of individuals and 20.1% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 3.05.
