Sales tax is a consumption tax collected at the point of sale
A sales tax is a type of consumption tax — a tax on goods or services at the moment you buy them. The seller collects it from you, then sends it to the state or local government. You pay it in addition to the price shown on the shelf or menu.
The key difference between a consumption tax and other taxes: it only applies when money actually changes hands for a purchase. You don't pay it on income you earn, property you own, or investments you hold. You pay it when you spend.
Sales tax is one of several types of consumption taxes. Others include excise taxes (on specific items like gasoline or cigarettes) and value-added taxes, or VATs, used in many countries outside the United States. But in most U.S. states, "consumption tax" and "sales tax" are used interchangeably in everyday conversation.
Key Takeaways
- Sales tax is collected by the seller at checkout and sent to state or local government, not kept by the business.
- The tax rate varies by state and sometimes by county or city within a state — there is no single national rate.
- Some states have no sales tax at all, while others combine state and local taxes that can exceed 10 percent.
- Certain items like groceries, prescription medications, and medical equipment are often exempt from sales tax in many states.
- Sales tax is a consumption tax because it only applies when you purchase something, not on income or property.
How sales tax differs from income tax and property tax
Income tax is taken from your paycheck or owed on money you earn. Property tax is based on what you own — land, a house, a car. Sales tax is different: it only exists when you buy something. Once you own it, you don't pay sales tax again.
This matters because it shapes who pays and when. If you earn $50,000 a year, you owe income tax on that $50,000 regardless of whether you spend it or save it. If you own a house worth $300,000, you owe property tax on it every year. But if you spend $100 on groceries, you pay sales tax only on that $100 purchase — and only in states or localities that tax groceries.
Sales tax is also regressive, meaning it takes a larger percentage of income from lower-income households than from wealthy ones. A person earning $25,000 a year spends most of it on taxable purchases. A person earning $250,000 a year may spend only a fraction of their income on taxable goods. Both pay the same tax rate, but the lower-income person pays a higher percentage of their total income.
Why states use sales tax instead of other taxes
States choose sales tax because it is straightforward to collect. The seller handles it at the register, so the state doesn't have to track every household's spending. Businesses already have cash registers and payment systems, so adding a tax line is relatively simple.
Sales tax also brings in steady revenue. As long as people buy things, the state collects money. It doesn't depend on whether someone has a job, owns property, or makes a profit — only on transactions that happen.
Some states use sales tax as their main source of revenue because they have no income tax. Texas, Florida, Tennessee, and Washington are examples. Other states use both income tax and sales tax. A few states — like Oregon and Montana — rely mainly on income tax and have no sales tax or a very limited one.
What items are usually taxed and what items are exempt
Most states tax clothing, electronics, furniture, and other goods. But they often exempt certain categories to reduce the burden on households or for policy reasons.
Common exemptions include groceries and food for home consumption (though prepared food at restaurants is usually taxed), prescription medications, medical devices, and items for people with disabilities. Some states exempt clothing below a certain price point. A few exempt diapers, feminine hygiene products, or children's car seats.
The rules vary significantly by state. What is exempt in one state may be taxed in another. For example, New York exempts groceries but taxes prepared food. Tennessee taxes groceries at a lower rate than other goods. Some states tax all food equally. If you live near a state border, the tax rate and what is taxed can be very different just a few miles away.
How sales tax rates are set and who collects the money
State legislatures set the state sales tax rate, which ranges from zero percent in states like Delaware and Montana to over 7 percent in states like California and Tennessee. But the total rate you pay at checkout often includes local taxes too — county, city, or special district taxes added on top of the state rate.
A single purchase might be taxed at 5 percent state tax plus 2 percent local tax, for a total of 7 percent. The exact rate depends on where you are in the state. Two cities in the same state can have different total rates because they add different local taxes.
The seller collects all of it at the register and is responsible for sending it to the state and local governments. The business does not keep the tax money — it is held temporarily and then forwarded to the appropriate tax authority, usually monthly or quarterly. Businesses that fail to send collected sales tax to the government face penalties and interest.
Online purchases and sales tax
For many years, online retailers did not collect sales tax unless they had a physical location in the state where the buyer lived. This changed in 2018 when the U.S. Supreme Court ruled that states could require online sellers to collect sales tax even without a physical presence in the state.
Today, most large online retailers collect and send sales tax based on where you live. However, the rules are still complex for smaller sellers and vary by state. Some states have thresholds — if a seller's revenue exceeds a certain amount, they must collect sales tax. Others require it for all sellers.
If you buy something online from a seller who does not collect sales tax, you may owe "use tax" — a tax on items you purchase outside your state for use within it. Most people do not pay use tax voluntarily, and most states do not actively pursue individual buyers for it. But technically, the obligation exists in many states.
Why sales tax matters for your budget
Sales tax affects what you actually pay at checkout. A $100 item in a state with 8 percent sales tax costs you $108. The same item in a state with no sales tax costs $100. Over time, this adds up, especially for large purchases like cars, furniture, or appliances.
Understanding which items are taxed in your state helps you plan spending. If groceries are taxed where you live, your food budget is higher than in a state where they are not. If you live near a state border, you might save money by shopping in the lower-tax state for certain items — though this only makes sense if the distance is short.
Sales tax also means the price on the shelf is not the price you pay. Budget for the tax when you are planning a purchase, especially for big-ticket items. Many people are surprised at checkout because they forgot to add the tax to the listed price.
Frequently Asked Questions
Is sales tax the same in every state?
No. State rates range from zero percent to over 7 percent, and local taxes add on top of that. The total rate you pay depends on your state and sometimes your city or county. What is taxed also varies — groceries are exempt in some states and taxed in others.
Do I pay sales tax on online purchases?
Usually yes, if you buy from a large retailer. Most major online sellers now collect sales tax based on where you live. Smaller sellers may not, depending on state rules and their revenue. Check the checkout page to see if sales tax is being added.
Why do some states have no sales tax?
States without sales tax rely on other revenue sources, mainly income tax. Delaware, Montana, New Hampshire, and Oregon have no sales tax. Alaska and Hawaii have no state sales tax but allow local taxes. These states chose different ways to fund government services.
Can I get sales tax back if I return something?
Yes. When you return an item and get a refund, the sales tax is refunded too. The refund should show the full amount you paid, including tax. If it does not, ask the store to correct it.
What is use tax and do I have to pay it?
Use tax is a tax on items you buy outside your state for use within it. It exists in most states but is rarely collected from individual buyers. You are technically responsible for it if you buy something in a low-tax state and bring it home, but enforcement is minimal for personal purchases.