Onarga Township, Iroquois County, Illinois

Onarga Township
Location in Iroquois County
Iroquois County's location in Illinois
Coordinates: 40°42′29″N 87°57′44″W / 40.70806°N 87.96222°W / 40.70806; -87.96222
CountryUnited States
StateIllinois
CountyIroquois
EstablishedNovember 6, 1855
Area
  Total
48.55 sq mi (125.7 km2)
  Land48.53 sq mi (125.7 km2)
  Water0.02 sq mi (0.05 km2)  0.04%
Elevation
653 ft (199 m)
Population
 (2020)
  Total
1,613
  Density33/sq mi (13/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP codes
60918, 60938, 60955, 60968
FIPS code17-075-56094

Onarga Township is one of twenty-six townships in Iroquois County, Illinois, United States. As of the 2020 census, its population was 1,613 and it contained 625 housing units.