Post Falls, Idaho sales tax rate: 6%
Last updated Checked monthly
The sales tax rate in Post Falls, Idaho is 6%. That’s the 6% state rate, with no local taxes. It’s the lowest of the 57 Idaho cities we checked, and 56 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Post Falls combined rate
6%
- Idaho state
- 6%
Post Falls sales tax calculator
Enter a price and what you’re selling.
- IdahoState · 6%$6.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoPost Falls sales tax rate breakdown
State taxes add up to 6%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Idaho | State | 6% |
| Combined rate | 6% |
Rate history
- July 20236%
- July 20246%
- July 20256%
- July 20266%
- Today6%
No change since July 2023.
Sales tax near Post Falls
Closest cities
- Rathdrum5 mi6%
- Coeur d'Alene7 mi6%
- Dalton Gardens8 mi6%
- Oldtown32 mi6%
- Saint Maries33 mi6%
- Pinehurst36 mi6%
- Tensed39 mi6%
- Kellogg40 mi6%
Elsewhere in Kootenai County
Charge the right rate in Post Falls, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Idaho return for you, with a sales tax team you can call.
Post Falls 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 Post Falls, Idaho?
The combined sales tax rate in Post Falls is 6% as of November 2, 2026. It’s made up of 6% Idaho state tax.
Does the sales tax rate vary within Post Falls?
Post Falls has no special-district taxes, so most addresses in the city pay the same 6%: Idaho’s 6%. This rate was calculated for Post Falls’s 83854 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Post Falls?
No.
Do online sellers have to collect sales tax in Post Falls?
Yes, if they have nexus in Idaho: more than $100,000 in Idaho sales in the previous or current calendar year, or a physical presence in the state. They register with the Idaho State Tax Commission and charge the rate at the buyer’s address.
Sources. Idaho State Tax Commission · Zamp Sales Tax API, for Post Falls’s 83854 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 Idaho return and handles notices, with a sales tax team you can call.
#1 rated support on G2
