Port William, Ohio sales tax rate: 7.25%
Last updated Checked monthly
The sales tax rate in Port William, Ohio is 7.25%. That’s the 5.75% state rate plus 1.5% in local taxes. It’s higher than 97 of the 260 Ohio cities we checked, and 117 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Port William combined rate
7.25%
- Ohio state
- 5.75%
- Clinton CountyCounty
- 1.5%
Port William sales tax calculator
Enter a price and what you’re selling.
- OhioState · 5.75%$5.75
- Clinton CountyCounty · 1.5%$1.50
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoPort William sales tax rate breakdown
State and county taxes add up to 7.25%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Ohio | State | 5.75% |
| Clinton County | County | 1.5% |
| Combined rate | 7.25% |
Rate history
- July 20237.25%
- July 20247.25%
- July 20257.25%
- July 20267.25%
- Today7.25%
No change since July 2023.
Sales tax near Port William
Closest cities
- Milledgeville11 mi7.25%
- Jeffersonville14 mi7.25%
- South Solon16 mi7%
- New Vienna16 mi7.25%
- Washington Court House19 mi7.25%
- Leesburg19 mi7.25%
- Midway21 mi7%
- Lynchburg22 mi7.25%
Elsewhere in Clinton County
- New Vienna7.25%
Charge the right rate in Port William, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Ohio return for you, with a sales tax team you can call.
Port William sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Port William, Ohio?
The combined sales tax rate in Port William is 7.25% as of November 2, 2026. It’s made up of 5.75% Ohio state tax, 1.5% Clinton County.
Does the sales tax rate vary within Port William?
Port William has no special-district taxes, so most addresses in the city pay the same 7.25%: Ohio’s 5.75% plus 1.5% county tax. This rate was calculated for Port William’s 45164 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Port William?
No.
Do online sellers have to collect sales tax in Port William?
Yes, if they have nexus in Ohio: more than $100,000 in Ohio sales in the previous or current calendar year, or a physical presence in the state. They register with the Ohio Department of Taxation and charge the rate at the buyer’s address.
Sources. Ohio Department of Taxation · Zamp Sales Tax API, for Port William’s 45164 ZIP code. Rates are checked monthly and are for information, not tax advice.
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