Onarga Flag

Onarga

County:
Iroquois County
County Seat:
No
Area (mi²):
48.53
State:
Illinois

Onarga is located in Iroquois County, Illinois. Onarga has a 2025 population of 1,523. Onarga is currently declining at a rate of -1.17% annually and its population has decreased by -5.4% since the most recent census, which recorded a population of 1,610 in 2020.

The average household income in Onarga is $83,294 with a poverty rate of 9.97%The median age in Onarga is 42.1 years: 41 years for males, and 42.5 years for females.

1.5K
Total Population
31
Density (mi²)
-18 -1.17%
Growth

Onarga Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)