Georgia Sales Tax Rates: Cobb County
Cobb County, Georgia Sales Tax Rate 2026 Up to 7.75%
A county-wide sales tax rate of 2% is applicable to localities in Cobb County, in addition to the 4% Georgia sales tax.
Some cities and local governments in Cobb County collect additional local sales taxes, which can be as high as 1.75%.Here's how Cobb County's maximum sales tax rate of 7.75% compares to other counties around the United States:
- Lower maximum sales tax than 94% of Georgia counties
- Higher maximum sales tax than 53% of counties nationwide
Tax Rates By City in Cobb County, Georgia
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Georgia has a 4% sales tax and Cobb County collects an additional 2%, so the minimum sales tax rate in Cobb County is 6% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Cobb County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Marietta | 6% | Cobb |
| Marietta | 6% | Marietta |
| Acworth | 7% | Bartow |
| Atlanta | 7.75% | Sandy Springs |
| Smyrna | 6% | Cobb |
| Powder Springs | 7% | Douglas |
| Marietta | 7% | Cherokee |
| Kennesaw | 6% | Acworth |
| Kennesaw | 6% | Marietta |
| Mableton | 6% | Cobb |
| Austell | 7% | Douglasville |
| Austell | 7% | Douglas |
| Smyrna | 6% | Smyrna |
| Kennesaw | 6% | Kennesaw |
| Kennesaw | 6% | Cobb |
| Clarkdale | 6% | Austell |
Georgia Sales Tax Rates by Zip Code:
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Cobb County, Georgia has a maximum sales tax rate of 7.75% and an approximate population of 622,963.
Sales tax rates in Cobb County are determined by eleven different tax jurisdictions, Acworth, Austell, Bartow, Cherokee, Cobb, Douglas, Douglasville, Kennesaw, Marietta, Sandy Springs and Smyrna.
Back to Georgia Sales Tax Handbook Sales tax rates for Cobb County are current as of June 2026