Smithville, Tennessee sales tax rate: 9.75%
Last updated Checked monthly
The sales tax rate in Smithville, Tennessee is 9.75%. That’s the 7% state rate plus 2.75% in local taxes. It’s the highest combined rate Tennessee allows, and 67 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Smithville combined rate
9.75%
- Tennessee state
- 7%
- Dekalb CountyCounty
- 2.75%
Smithville sales tax calculator
Enter a price and what you’re selling.
- TennesseeState · 7%$7.00
- Dekalb CountyCounty · 2.75%$2.75
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoSmithville sales tax rate breakdown
State and county taxes add up to 9.75%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Tennessee | State | 7% |
| Dekalb County | County | 2.75% |
| Combined rate | 9.75% |
Rate history
- July 20239.75%
- July 20249.75%
- July 20259.75%
- July 20269.75%
- Today9.75%
No change since July 2023.
Sales tax near Smithville
Closest cities
- Liberty9 mi9.75%
- Alexandria14 mi9.75%
- Morrison25 mi9.75%
- Algood27 mi9.75%
- Gainesboro30 mi9.75%
- Lebanon34 mi9.75%
- Murfreesboro34 mi9.75%
- Altamont37 mi9.25%
Elsewhere in DeKalb County
- Alexandria9.75%
- Liberty9.75%
Charge the right rate in Smithville, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Tennessee return for you, with a sales tax team you can call.
Smithville 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 Smithville, Tennessee?
The combined sales tax rate in Smithville is 9.75% as of November 2, 2026. It’s made up of 7% Tennessee state tax, 2.75% Dekalb County.
Does the sales tax rate vary within Smithville?
Smithville has no special-district taxes, so most addresses in the city pay the same 9.75%: Tennessee’s 7% plus 2.75% county tax. This rate was calculated for Smithville’s 37166 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Smithville?
Yes, at the full 9.75%.
Do online sellers have to collect sales tax in Smithville?
Yes, if they have nexus in Tennessee: more than $100,000 in Tennessee sales in the previous or current calendar year, or a physical presence in the state. They register with the Tennessee Department of Revenue and charge the rate at the buyer’s address.
Sources. Tennessee Department of Revenue · Zamp Sales Tax API, for Smithville’s 37166 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every Tennessee return and handles notices, with a sales tax team you can call.
#1 rated support on G2
