There are 8 cities in Cass County, Iowa.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Atlantic1Iowa6,8016,7860.24%8178.32
Griswold2Iowa9949940.2%1,6010.62
Anita3Iowa9779650.62%5491.78
Lewis4Iowa3633590.28%7260.50
Massena5Iowa352357-0.28%5080.69
Cumberland6Iowa2572471.18%4280.60
Marne7Iowa108108 1880.57
Wiota8Iowa9191 2870.32
showing: 8 rows

Cities in Cass County, Iowa by Population (2024)

What is the largest city in Cass County, Iowa?

Atlantic is the largest city in Cass County.

What is the smallest city in Cass County, Iowa?

Wiota is the smallest city in Cass County.

How many cities are in Cass County?

There are 8 cities in Cass County, Iowa.

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