There are 10 cities in Clay County, Iowa.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Spencer1Iowa11,48511,3040.31%1,05110.93
Everly2Iowa5785720.35%5531.04
Royal3Iowa378380-0.26%1,2810.29
Peterson4Iowa319320-0.31%6150.52
Fostoria5Iowa232231 5690.41
Dickens6Iowa148147 1810.82
Webb7Iowa141140 2800.50
Greenville8Iowa6665 3980.17
Rossie9Iowa4646 3190.14
Gillett Grove10Iowa3333 1490.22
showing: 10 rows

Cities in Clay County, Iowa by Population (2024)

What is the largest city in Clay County, Iowa?

Spencer is the largest city in Clay County.

What is the smallest city in Clay County, Iowa?

Gillett Grove is the smallest city in Clay County.

How many cities are in Clay County?

There are 10 cities in Clay County, Iowa.

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