Oklahoma's statewide sales tax is 4.5 percent, but your actual rate depends on where you shop
Oklahoma charges a base sales tax of 4.5 percent on most purchases. However, cities and counties add their own local sales taxes on top of that, so the total you pay at checkout ranges from 4.5 percent to just over 11 percent depending on your location. A $100 purchase in one Oklahoma city might cost $104.50 in tax, while the same purchase across town could cost $110 or more.
The state does not publish a single "Oklahoma sales tax rate" because there is no single rate. Instead, you need to know your specific city and county to find your exact tax. This matters most when you are buying large items or comparing prices between stores in different towns.
Key Takeaways
- Oklahoma's state sales tax is 4.5 percent, but most cities and counties add local taxes that raise the total to between 7 and 11 percent.
- Your exact rate depends on both your city and your county, so two addresses a few miles apart can have different totals.
- Grocery items, prescription medications, and some medical equipment are exempt from Oklahoma sales tax.
- You can find your local rate by entering your address on the Oklahoma Tax Commission website or calling your city or county tax office.
- Online purchases from out-of-state sellers may not include Oklahoma tax at checkout, but you may owe it when the item arrives.
How local taxes stack on top of the state rate
The 4.5 percent state rate is just the floor. On top of that, your city adds a local sales tax (usually between 1 and 3.5 percent) and your county adds its own (usually between 0.5 and 2 percent). Some cities also have special district taxes for schools, transit, or other services that add another 0.5 to 1 percent.
Oklahoma City, for example, has a combined rate of 8.875 percent: 4.5 percent state, 2 percent city, 1.375 percent county, and 1 percent for the school district. Tulsa's rate is 8.919 percent. Smaller towns can be lower or higher depending on what local taxes they have chosen to impose. The only way to know your exact rate is to check your address.
What items are exempt from sales tax in Oklahoma
Not everything you buy is taxed. Groceries — food you cook at home — are exempt from Oklahoma sales tax. This includes meat, produce, dairy, bread, and canned goods. However, prepared food, restaurant meals, and items from a deli counter are taxed at the full rate.
Prescription medications are also exempt. Over-the-counter medicines like pain relievers and cold medicine are taxed, but anything a pharmacist fills with a prescription is not. Medical equipment prescribed by a doctor — such as wheelchairs, oxygen equipment, or diabetic supplies — may be exempt depending on the specific item and whether it has a prescription.
Clothing is taxed in Oklahoma, and there is no back-to-school exemption. Services like haircuts, repairs, and labor are generally not taxed, but the parts or materials used in those services may be.
Finding your exact local sales tax rate
The Oklahoma Tax Commission maintains a rate lookup tool on its website. You enter your street address, city, and ZIP code, and it shows you the combined rate for that location. This is the fastest way to get an exact answer.
If you do not have internet access or prefer to call, your city or county tax office can tell you the rate over the phone. City halls and county courthouses have this information on file. You can also ask a cashier at a local store — they know the rate where they work, though it may differ a few blocks away if you cross a city or county line.
Sales tax on online and mail orders
When you order from a national retailer's website, the tax shown at checkout may not match your local Oklahoma rate. Large online sellers are required to collect Oklahoma sales tax, but smaller sellers may not be. If tax is not collected at checkout, you technically owe it to Oklahoma, though the state does not have a practical way to collect it from individual shoppers.
Some online marketplaces like Amazon collect tax based on your delivery address. Others calculate it based on where their warehouse is located. If you are comparing prices between online and in-store, factor in that online tax may be calculated differently or not at all.
How sales tax changed in recent years
Oklahoma's state rate of 4.5 percent has been stable since 2009. However, individual cities and counties have raised or lowered their local rates several times. Tulsa increased its city rate in 2020. Oklahoma City adjusted its rates in recent years as well. If you moved to Oklahoma or are comparing rates from memory, your old rate may no longer be accurate.
The state does not announce rate changes widely, so the best way to stay current is to check the Oklahoma Tax Commission website when you need the rate, rather than relying on what you remember from a previous visit.
Frequently Asked Questions
Is there a sales tax holiday in Oklahoma?
Oklahoma does not have a statewide sales tax holiday for back-to-school or other events. Some cities have offered temporary local tax breaks in the past, but these are rare and announced by individual municipalities. Check with your city government if you are looking for a tax break on a specific purchase.
Do I pay sales tax on used items or secondhand purchases?
Sales tax applies to used goods sold by a business, including used cars, used furniture from a store, and items from a resale shop. Private sales between individuals are not taxed. If you buy from a pawn shop or used goods retailer, tax applies at the full local rate.
What if I buy something in one Oklahoma city and use it in another?
You pay tax where you make the purchase, not where you use the item. If you buy in a low-tax area and take it to a high-tax area, you do not owe additional tax. The rate at the register is the only tax you pay.
Are vehicle purchases taxed differently?
Cars, trucks, and motorcycles are taxed at your local sales tax rate, but the tax is collected by the Oklahoma Tax Commission when you register the vehicle, not by the dealer. The rate depends on where you register it, not where you buy it.
Can I get a refund if I overpaid sales tax?
If a store charged you the wrong rate by mistake, ask the store for a refund. If you bought an item that should have been exempt (like a prescription) and were taxed, bring your receipt and proof of the exemption to the store. The Oklahoma Tax Commission does not process individual refund claims.