Cities in Cobb County, Georgia by Population (2024)

There are 21 cities in Cobb County, Georgia.

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
Sandy Springs1105,001108,167-0.75%2,78837.7City
Roswell291,29392,944-0.45%2,24240.7City
Marietta363,34161,0510.91%2,69523.5City
Smyrna456,69956,1670.24%3,54516.0City
Mableton542,40241,6470.9%2,07720.4CDP
Milton641,37941,393-0.01%1,07538.5City
Douglasville740,46834,7903.63%1,76323.0City
Woodstock839,54835,2472.79%3,05313.0City
Kennesaw935,12233,3641.27%3,5999.8City
Cartersville1025,51123,2132.3%89228.6City
Acworth1122,36322,425-0.07%2,4489.1City
Holly Springs1220,51316,6204.98%2,8327.2City
Powder Springs1319,63016,9103.59%2,5137.8City
Lithia Springs1416,10817,5450.27%1,19513.5CDP
Dallas1515,26514,1441.87%1,9158.0City
Vinings1613,48212,5462.02%4,3133.1CDP
Fair Oaks179,8469,4471.19%5,0442.0CDP
Austell188,2417,8671.14%1,3006.3City
Hiram195,4854,9572.47%1,3953.9City
Kennesaw State University203,0823,5687.69%7,8620.4CDP
Mountain Park21567586-0.87%1,2270.5City

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 Cobb County, Georgia?

Sandy Springs is the largest city in Cobb County.

What is the smallest city in Cobb County, Georgia?

Mountain Park is the smallest city in Cobb County.

How many cities are in Cobb County?

There are 21 cities in Cobb County, Georgia.

Frequently Asked Questions