How many cities are in Cobb County, GA?

Cobb County contains eight incorporated cities: Marietta (the county seat), Smyrna, Kennesaw, Acworth, Powder Springs, Austell, Mableton, and Kennesaw. Vinings is an unincorporated community often referenced as a city.

What is the biggest city in Cobb County?

Marietta is the county seat and largest incorporated city in Cobb, with roughly 61,000 residents. Smyrna is a close second at around 56,000.

Which Cobb County city is closest to Atlanta?

Smyrna and Vinings are the closest, sitting directly across I-285 from Atlanta. Both offer commute times of 15–25 minutes to Midtown off-peak.

Is Marietta a good place to live?

Marietta consistently ranks among Georgia's best places to live, driven by Marietta City Schools (top-rated statewide), a walkable historic square, and strong housing demand. Median home price is around $500K.

Cobb County, GA Cities: A Complete Guide for Newcomers

Cobb County sits directly northwest of Atlanta and is home to roughly 770,000 people, making it the third-most-populous county in Georgia. It's a county of distinct cities, each with its own school system, downtown core, and personality. Here's the full lineup for newcomers.

Marietta is the historical and civic center of the county. Its 1830s square is one of the most active downtowns in metro Atlanta, anchored by the Strand Theatre, Marietta Square Market food hall, and a year-round events calendar. Marietta City Schools (a separate district from Cobb County Schools) serves the in-city footprint and rates among the strongest in the state.

Smyrna sits in the southeast corner of Cobb, closest to Atlanta. Truist Park and The Battery — home of the Braves — are technically in Smyrna's ZIP. The walkable Market Village downtown, the West Village mixed-use core, and easy I-285 / I-75 access have made Smyrna one of the fastest-appreciating cities in the metro.

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