Coles County, Illinois Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Charleston116,95617,244-0.42%1,9078.9City
Mattoon216,46216,852-0.59%1,59610.3City
Oakland3719734-0.55%9180.8City
Ashmore4623638-0.64%7740.8Village
Humboldt5352360-0.56%1,0260.3Village
Lerna6217221-0.46%1,8870.1Village
Trilla71493387.19%7720.2CDP
Allenville8129132-0.77%2120.6Village

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

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?

Allenville is the smallest city in Coles County.

How many cities are in Coles County?

There are 8 cities in Coles County, Illinois.

Frequently Asked Questions