What is the sales tax in Cobb county? - The sales tax in Cobb county of Georgia is 6% as of 2025. Use the Cobb sales tax calculator to calculate the sales tax for any purchase in Cobb.
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Below is a list of the sales tax rate for each county in Cobb.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Cobb | Georgia | Acworth | 30101 | 4% | 0% | 3% | 7% |
| Cobb | Georgia | Atlanta | 30339 | 4% | 1.5% | 3% | 8.9% |
| Cobb | Georgia | Austell | 30106 | 4% | 0% | 3% | 7% |
| Cobb | Georgia | Kennesaw | 30144 | 4% | 0% | 2% | 6% |
| Cobb | Georgia | Mableton | 30126 | 4% | 0% | 2% | 6% |
| Cobb | Georgia | Marietta | 30008 | 4% | 0% | 2% | 6% |
| Cobb | Georgia | Powder Springs | 30127 | 4% | 0% | 3% | 7% |
| Cobb | Georgia | Smyrna | 30080 | 4% | 0% | 2% | 6% |