There are 15 cities in Franklin County, Missouri.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Washington1Missouri15,31114,7020.78%1,6219.45
Union2Missouri13,26612,3841.96%1,4599.09
Pacific3Missouri7,6807,2601.63%1,2925.94
Sullivan4Missouri6,8186,918-0.29%8328.19
St. Clair5Missouri4,7044,794-0.51%9874.77
Villa Ridge6Missouri2,9713,179 6164.82
Gray Summit7Missouri2,5732,383 3497.37
New Haven8Missouri2,3992,419-0.21%7473.21
Gerald9Missouri1,3411,363-0.52%9071.48
Parkway10Missouri652664-0.46%1,7810.37
Oak Grove Village11Missouri400408-0.5%6500.61
Berger12Missouri2612590.39%8310.31
Leslie13Missouri1441391.41%8470.17
Miramiguoa Park14Missouri1251220.81%3250.39
Charmwood15Missouri1616 1140.14
showing: 15 rows

Cities in Franklin County, Missouri by Population (2024)

What is the largest city in Franklin County, Missouri?

Washington is the largest city in Franklin County.

What is the smallest city in Franklin County, Missouri?

Charmwood is the smallest city in Franklin County.

How many cities are in Franklin County?

There are 15 cities in Franklin County, Missouri.

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