Onarga Township, Iroquois County, Illinois

[2] (This list is based on USGS data and may include former settlements.)

As of the 2020 census[1] there were 1,613 people, 527 households, and 352 families residing in the township.

There were 625 housing units at an average density of 12.87 per square mile (4.97/km2).

The racial makeup of the township was 62.12% White, 1.36% African American, 0.37% Native American, 0.43% Asian, 0.00% Pacific Islander, 18.78% from other races, and 16.92% from two or more races.

30.00% of all households were made up of individuals, and 20.10% had someone living alone who was 65 years of age or older.

Map of Illinois highlighting Iroquois County