US Sales Tax Guide
Browse States Sales Tax Calculator Nexus Checker Filing Deadlines Exemption Forms eCommerce Tax Guide Tax Holidays Official Resources Taxability Updates
Verified April 2026

Idaho Sales Tax Rate 2026: State and Local Guide

Review Idaho state and local sales tax rates, county pages, permit steps, filing links, tax holidays, forms, and official department resources.

Open calculator ZIP code lookup

Combined Rate

6.000%

Current combined sales tax rate shown for this page.

State Portion

6.000%

Base state sales tax component in the rate breakdown.

Local Portion

0.000%

County, city, and special district tax combined.

Focus

Rate, filing, nexus, and official links

Idaho department of revenue resources and lookup references.

State Rate

6.000%

Base state sales tax rate.

Average Combined

0.00%

Average combined state and local rate.

Maximum Local

3.00%

Highest combined local rate shown in current guidance.

County Pages

39

County-level sales tax pages in the current location index.

Official Links

6

Forms, filing tools, lookup pages, and research links.

Source: Idaho Department of Revenue and imported official state files. Last updated April 2026.

State Rate Breakdown

Idaho state and local sales tax benchmark

Rate Components

State, county, city, and special district sales tax breakdown

Combined 6.000%
Component Rate
Idaho State Sales Tax 6.000%
Combined Sales Tax Rate 6.000%
Tax on a $100 purchase at this rate: $6.00

Average Local Rate

0.00%

Average local

Highest Local Rate

3.00%

Highest local

Nexus Threshold

$100,000

Registration trigger

County Directory

Browse Idaho sales tax rates by county

Select a county to open a detailed page with combined tax rates, ZIP code samples, nearby local comparisons, permit steps, exemptions, offices, and official state resources.

Highest rate counties

Cassia 7.900% Custer 6.500% Valley 6.500%

Ada

6.000%

State 6.000% plus local add-ons.

View details

Adams

6.000%

State 6.000% plus local add-ons.

View details

Bannock

6.300%

State 6.000% plus local add-ons.

View details

Bear Lake

6.000%

State 6.000% plus local add-ons.

View details

Benewah

6.000%

State 6.000% plus local add-ons.

View details

Bingham

6.000%

State 6.000% plus local add-ons.

View details

Blaine

6.000%

State 6.000% plus local add-ons.

View details

Boise

6.000%

State 6.000% plus local add-ons.

View details

Bonner

6.000%

State 6.000% plus local add-ons.

View details

Bonneville

5.000%

State 6.000% plus local add-ons.

View details

Boundary

6.000%

State 6.000% plus local add-ons.

View details

Butte

6.000%

State 6.000% plus local add-ons.

View details

Camas

6.000%

State 6.000% plus local add-ons.

View details

Canyon

6.000%

State 6.000% plus local add-ons.

View details

Caribou

6.000%

State 6.000% plus local add-ons.

View details

Cassia

7.900%

State 6.000% plus local add-ons.

View details

Clark

6.000%

State 6.000% plus local add-ons.

View details

Clearwater

6.000%

State 6.000% plus local add-ons.

View details

Custer

6.500%

State 6.000% plus local add-ons.

View details

Elmore

6.000%

State 6.000% plus local add-ons.

View details

Fremont

6.000%

State 6.000% plus local add-ons.

View details

Gem

6.000%

State 6.000% plus local add-ons.

View details

Idaho

6.100%

State 6.000% plus local add-ons.

View details

Jefferson

6.000%

State 6.000% plus local add-ons.

View details

Jerome

6.000%

State 6.000% plus local add-ons.

View details

Latah

6.000%

State 6.000% plus local add-ons.

View details

Lemhi

6.000%

State 6.000% plus local add-ons.

View details

Lewis

6.000%

State 6.000% plus local add-ons.

View details

Madison

6.000%

State 6.000% plus local add-ons.

View details

Minidoka

N/A

Open county details.

View details

Nez Perce

6.000%

State 6.000% plus local add-ons.

View details

Oneida

6.000%

State 6.000% plus local add-ons.

View details

Owyhee

6.000%

State 6.000% plus local add-ons.

View details

Payette

6.000%

State 6.000% plus local add-ons.

View details

Power

6.000%

State 6.000% plus local add-ons.

View details

Teton

6.300%

State 6.000% plus local add-ons.

View details

Twin Falls

6.000%

State 6.000% plus local add-ons.

View details

Valley

6.500%

State 6.000% plus local add-ons.

View details

Washington

6.000%

State 6.000% plus local add-ons.

View details

Official State Resources

Idaho sales tax forms, e-file, lookup, and agency links

Sales Tax Holidays

Idaho tax holiday calendar and eligible items

2025

No Sales Tax Holiday in 2025

No Sales Tax Holiday in 2025

FAQ

Idaho sales tax questions

1

What is the Idaho state sales tax rate?

The current state-level rate shown in our tax rate table is 6.000%. Local county, city, and special district taxes can push the combined rate higher.

2

How many official sales tax resources are available for Idaho?

We currently surface 6 imported official resource links for Idaho, including forms, agency research links, e-file portals, registration links, and lookup tools.

3

Does Idaho have economic nexus rules?

Yes. The current state guideline shows a sales threshold of $100,000 and 200 transactions before many remote sellers need to register and collect tax.

4

Where can I find holidays, forms, and taxability updates for Idaho?

This page includes imported sales tax holidays, official state forms, e-file links, research links, and recent taxability matrix updates when those rows exist in the database.