There are 3 cities in Hardin County, Illinois.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Rosiclare1Illinois937979-1.47%4831.94
Cave-In-Rock2Illinois214229-2.28%5720.37
Elizabethtown3Illinois214223-1.38%3040.70
showing: 3 rows

Cities in Hardin County, Illinois by Population (2024)

What is the largest city in Hardin County, Illinois?

Rosiclare is the largest city in Hardin County.

What is the smallest city in Hardin County, Illinois?

Elizabethtown is the smallest city in Hardin County.

How many cities are in Hardin County?

There are 3 cities in Hardin County, Illinois.

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