What is the sales tax rate in Cincinnati?
The combined sales tax rate in Cincinnati, Ohio is between 6.75% and 7.8% as of 2026. It is made up of the Ohio statewide base rate of 5.75%, plus applicable Hamilton County and local district taxes. Cincinnati sits within Hamilton County, and the rate can vary slightly across ZIP codes because of special district additions (see the ZIP breakdown below).
Sales tax in Ohio is administered by the Ohio Department of Taxation, which collects and distributes tax on behalf of the state and its local jurisdictions. The rate applies to most retail sales of tangible personal property delivered within Cincinnati.
Who needs to collect sales tax in Cincinnati, Ohio?
Any business with sales tax nexus in Ohio must register, collect, and remit sales tax on taxable sales delivered to Cincinnati. Nexus is established through:
- Physical presence: an office, store, warehouse, employee, or inventory located in Ohio.
- Economic nexus: exceeding $100,000 in sales to Ohio customers in the current or prior year.
- Marketplace facilitators: platforms such as Amazon or Etsy collect and remit on behalf of their third-party sellers.
Out-of-state (remote) sellers that cross Ohio's economic nexus threshold must register with the Ohio Department of Taxation before continuing to sell into the state.
How do you register for a sales tax permit in Cincinnati?
To collect sales tax in Cincinnati, you must register for a sales tax permit with the Ohio Department of Taxation. Registration is generally free. You will typically need your EIN or SSN, business entity details, bank account information, and an estimate of your monthly Ohio sales. Most permits are issued within a few business days of an online application.
How do you charge the right sales tax in Cincinnati?
Sales tax in Cincinnati is charged based on the delivery address. For orders shipped to a Cincinnati address, the combined rate of between 6.75% and 7.8% generally applies; for in-store sales, the rate is based on the store's location. Because some ZIP codes within Hamilton County carry additional special-district taxes, always confirm the exact rate for the specific delivery ZIP code. The tables below show the most common Cincinnati ZIP codes and how Cincinnati compares with other cities in Hamilton County and across Ohio.
