There are 7 cities in St. Clair County, Missouri.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Appleton City1Missouri1,1011,0391.76%9591.15
Osceola2Missouri9809331.34%9641.02
Lowry City3Missouri6546181.71%6371.03
Collins4Missouri1361291.49%5510.25
Roscoe5Missouri95892.15%621.53
Vista6Missouri36332.86%2750.13
Gerster7Missouri1616 1980.08
showing: 7 rows

Cities in St. Clair County, Missouri by Population (2024)

What is the largest city in St. Clair County, Missouri?

Appleton City is the largest city in St. Clair County.

What is the smallest city in St. Clair County, Missouri?

Gerster is the smallest city in St. Clair County.

How many cities are in St. Clair County?

There are 7 cities in St. Clair County, Missouri.

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