There are 6 cities in Coles County, Illinois.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Charleston1Illinois16,85117,242-0.79%1,8978.88
Mattoon2Illinois16,26616,851-1.21%1,57710.31
Oakland3Illinois710736-1.25%8990.79
Ashmore4Illinois614637-1.29%7630.81
Humboldt5Illinois349360-1.13%1,0170.34
Lerna6Illinois215221-0.92%1,8700.12
showing: 6 rows

Cities in Coles County, Illinois by Population (2024)

What is the largest city in Coles County, Illinois?

Charleston is the largest city in Coles County.

What is the smallest city in Coles County, Illinois?

Lerna is the smallest city in Coles County.

How many cities are in Coles County?

There are 6 cities in Coles County, Illinois.

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