There are 21 cities in Iroquois County, Illinois.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Watseka1Illinois4,4504,657-1.18%1,5122.94
Gilman2Illinois1,6591,741-1.25%7142.33
Clifton3Illinois1,2801,348-1.39%1,3760.93
Onarga4Illinois1,2621,327-1.33%7541.67
Milford5Illinois1,1061,159-1.16%1,6680.66
Chebanse6Illinois9901,040-1.3%8321.19
Sheldon7Illinois916965-1.4%1,2160.75
Cissna Park8Illinois777813-1.15%1,0720.72
Ashkum9Illinois709746-1.53%8660.82
Danforth10Illinois568593-1.04%1,1880.48
Crescent City11Illinois520549-1.52%1,1400.46
Buckley12Illinois468492-1.27%1,4810.32
Loda13Illinois339354-1.17%2311.47
Martinton14Illinois314335-1.88%1,1460.27
Beaverville15Illinois286304-1.72%1,0400.28
Woodland16Illinois235246-1.26%4800.49
Donovan17Illinois232249-2.11%7070.33
Thawville18Illinois205213-0.97%6680.31
Wellington19Illinois196204-1.01%8240.24
Papineau20Illinois131135-0.76%6300.21
Iroquois21Illinois128132-0.78%2260.57
showing: 21 rows

Cities in Iroquois County, Illinois by Population (2024)

What is the largest city in Iroquois County, Illinois?

Watseka is the largest city in Iroquois County.

What is the smallest city in Iroquois County, Illinois?

Iroquois is the smallest city in Iroquois County.

How many cities are in Iroquois County?

There are 21 cities in Iroquois County, Illinois.

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