Franklin County, Missouri Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Wildwood134,67135,389-0.52%52066.7City
Washington215,69814,7041.6%1,57810.0City
Union313,20212,3941.55%1,4529.1City
Ellisville49,7419,981-0.61%2,2324.4City
Pacific57,6447,2831.19%1,1186.8City
Sullivan66,7996,918-0.44%8308.2City
St. Clair74,6894,797-0.57%9754.8City
Villa Ridge83,0273,1790.93%6164.9CDP
Gray Summit92,5522,383-0.39%3317.7CDP
Clarkson Valley102,5222,605-0.83%9362.7City
New Haven112,3782,422-0.46%7403.2City
Gerald121,3351,363-0.52%9031.5City
LaBarque Creek131,1421,165-2.48%6517.6CDP
Lake St. Clair149866927.76%1,3620.7CDP
Parkway15645665-0.77%1,3720.5Village
Stanton163692497.9%1133.3CDP
Berger172592590%8250.3City
Lake Tekakwitha182362310.43%1,1800.2Village
Leslie191351350%7940.2Village
Charmwood2016160%1140.1Town

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Franklin County, Missouri?

Wildwood 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 20 cities in Franklin County, Missouri.

Frequently Asked Questions