South Ottawa Township, LaSalle County, Illinois

South Ottawa Township
Township
Location in LaSalle County
LaSalle County's location in Illinois
CountryUnited States
StateIllinois
CountyLaSalle
EstablishedNovember 6, 1849
Area
 • Total
21.05 sq mi (54.5 km2)
 • Land19.67 sq mi (50.9 km2)
 • Water1.38 sq mi (3.6 km2)  6.57%
Population
 (2020)
 • Total
8,343
 • Density424.1/sq mi (163.8/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-099-71110

South Ottawa Township is located in LaSalle County, Illinois. As of the 2020 census, its population was 8,343 and it contained 3,812 housing units.