There are 9 cities in Winneshiek County, Iowa.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Decorah1Iowa7,8567,5731.13%1,1037.12
Calmar2Iowa1,0871,125-0.73%9831.11
Ossian3Iowa777803-0.64%7301.06
Spillville4Iowa364384-1.35%8290.44
Fort Atkinson5Iowa299309-0.66%9140.33
Ridgeway6Iowa259274-1.52%3440.75
Burr Oak7Iowa234200 3390.69
Castalia8Iowa140145-0.71%2430.58
Jackson Junction9Iowa49388.89%85.96
showing: 9 rows

Cities in Winneshiek County, Iowa by Population (2024)

What is the largest city in Winneshiek County, Iowa?

Decorah is the largest city in Winneshiek County.

What is the smallest city in Winneshiek County, Iowa?

Jackson Junction is the smallest city in Winneshiek County.

How many cities are in Winneshiek County?

There are 9 cities in Winneshiek County, Iowa.

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