Manlius Township, LaSalle County, Illinois

Manlius Township is located in east-central LaSalle County, Illinois. As of the 2010 census, its population was 6,275 and it contained 2,782 housing units. It contains the town of Seneca and the eastern part of Marseilles.

Geography
According to the 2010 census, the township has a total area of 24.33 sqmi, of which 23.81 sqmi (or 97.86%) is land and 0.51 sqmi (or 2.10%) is water.

Demographics
The population is 5,652 people, 81% urban and 19% rural. White non-Hispanics make up the largest population with 97%, 0% black, American Indian 0.1%, 0.3% Asian, and 0.7% two or more races. There are 2,317 houses in the township. It has a total area of 23.8 sq. miles.