There are 6 cities in Allamakee County, Iowa.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Waukon1Iowa3,6893,825-0.83%1,2402.98
Postville2Iowa2,4082,502-0.91%1,1412.11
Lansing3Iowa939963-0.64%8721.08
New Albin4Iowa421435-0.71%1,7330.24
Harpers Ferry5Iowa2662590.76%4050.66
Waterville6Iowa105107-0.94%2450.43
showing: 6 rows

Cities in Allamakee County, Iowa by Population (2024)

What is the largest city in Allamakee County, Iowa?

Waukon is the largest city in Allamakee County.

What is the smallest city in Allamakee County, Iowa?

Waterville is the smallest city in Allamakee County.

How many cities are in Allamakee County?

There are 6 cities in Allamakee County, Iowa.

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