There are 15 cities in Hancock County, Illinois.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Hamilton1Illinois2,6532,743-0.82%7453.56
Carthage2Illinois2,4062,489-0.86%9662.49
Warsaw3Illinois1,4521,505-0.89%2236.52
La Harpe4Illinois1,1381,174-0.7%8341.36
Nauvoo5Illinois915942-0.65%2703.39
Dallas City6Illinois779809-0.89%3282.37
Augusta7Illinois537556-0.74%7770.69
Bowen8Illinois449462-0.66%1,0490.43
Plymouth9Illinois417435-1.19%7380.56
Elvaston10Illinois145149-0.69%1810.80
West Point11Illinois137141-0.73%8150.17
Ferris12Illinois120126-0.83%611.97
Pontoosuc13Illinois98102-1.01%701.41
Basco14Illinois7879 3510.22
Bentley15Illinois2727 1890.14
showing: 15 rows

Cities in Hancock County, Illinois by Population (2024)

What is the largest city in Hancock County, Illinois?

Hamilton is the largest city in Hancock County.

What is the smallest city in Hancock County, Illinois?

Bentley is the smallest city in Hancock County.

How many cities are in Hancock County?

There are 15 cities in Hancock County, Illinois.

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