There are 14 cities in Sioux County, Iowa.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Sioux Center1Iowa8,6258,2501.16%1,3866.22
Orange City2Iowa6,2926,2780.05%1,4544.33
Sheldon3Iowa5,4455,501-0.18%1,1684.66
Rock Valley4Iowa4,0444,071-0.39%9294.35
Hawarden5Iowa2,6242,695-0.72%9452.78
Hull6Iowa2,4222,3790.12%1,7371.39
Alton7Iowa1,2281,243-0.33%6461.90
Hospers8Iowa700719-0.71%1,3920.50
Boyden9Iowa682701-0.73%9990.68
Ireton10Iowa5875880.17%5751.02
Granville11Iowa297311-1.33%1,0210.29
Maurice12Iowa263268-0.76%4370.60
Matlock13Iowa82772.5%2180.38
Chatsworth14Iowa78732.63%1590.49
showing: 14 rows

Cities in Sioux County, Iowa by Population (2024)

What is the largest city in Sioux County, Iowa?

Sioux Center is the largest city in Sioux County.

What is the smallest city in Sioux County, Iowa?

Chatsworth is the smallest city in Sioux County.

How many cities are in Sioux County?

There are 14 cities in Sioux County, Iowa.

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