Sales Tax
| Sales tax | |
| Sales/use tax rate | |
| State | 4.50% |
| City | 3.75% |
| County | 0.50% |
| Total sales tax rate | 8.75% |
| Major sales tax exemptions | |
| Personal services | Yes |
| Items for resale | Yes |
| Sales tax rate by utility | |
| Electric | 8.75% |
| Natural gas | 8.75% |
| Fuel oil | NA |
| Water | 0 |
| Sewer | 0 |
| Hazardous waste disposal | 0 |
| Sources: Oklahoma Tax Commission, City of Ardmore, Carter County, 2009 | |