Waltham Township, LaSalle County, Illinois
Waltham Township is located in LaSalle County, Illinois.
Peru is a city in LaSalle County, Illinois, United States. The population was 10,295 at the 2010 census. It is part of the Ottawa–Streator Micropolitan Statistical Area.
Population: 10,295
Latitude: 41° 19' 39.11" N
Longitude: -89° 07' 44.29" W
Waltham Township is located in LaSalle County, Illinois.
Ophir Township is located in LaSalle County, Illinois. As of the 2010 census, its population was 508 and it contained 201 housing units.
Magnolia Township is located in Putnam County, Illinois.