There are 7 cities in Carroll County, Illinois.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Savanna1Illinois2,6392,775-1.57%1,0092.62
Thomson2Illinois1,5921,610-0.31%6532.44
Lanark3Illinois1,4221,499-1.59%1,2641.13
Mount Carroll4Illinois1,4011,474-1.55%6992
Milledgeville5Illinois9761,022-1.41%1,4140.69
Shannon6Illinois8958002.52%1,8570.48
Chadwick7Illinois468482-1.06%1,5050.31
showing: 7 rows

Cities in Carroll County, Illinois by Population (2024)

What is the largest city in Carroll County, Illinois?

Savanna is the largest city in Carroll County.

What is the smallest city in Carroll County, Illinois?

Chadwick is the smallest city in Carroll County.

How many cities are in Carroll County?

There are 7 cities in Carroll County, Illinois.

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