Iowa Sales Tax Rates: 2026 County Guide
Complete sales tax breakdown for all 89 counties in Iowa. Select a county to see city-level rates and How-To guides.
Iowa Base State Tax Rate
| Jurisdiction | Rate |
|---|---|
| Iowa State Sales Tax | 6.000% |
| Total Combined Rate | 6.000% |
Economic Nexus Threshold
Avg Local Tax Rate
State Nexus Checker
Use current state threshold data before you register or start collecting.
Nexus estimate
State Exemption Finder
Guide buyers and sellers toward the right official exemption paperwork path.
State Product Taxability Checker
Version 1 covers the tax categories already modeled in the current database.
State-aware estimate
Verify with official sourceAll 89 Iowa Counties
Adair
Adams
Allamakee
Appanoose
Benton
Black Hawk
Boone
Bremer
Buchanan
Buena Vista
Butler
Calhoun
Carroll
Cass
Cedar
Cerro Gordo
Cherokee
Chickasaw
Clarke
Clay
Clayton
Clinton
Crawford
Dallas
Davis
Decatur
Delaware
Des Moines
Dickinson
Dubuque
Emmet
Floyd
Franklin
Fremont
Grundy
Guthrie
Hamilton
Hancock
Hardin
Harrison
Henry
Howard
Ida
Iowa
Jackson
Jasper
Johnson
Jones
Keokuk
Kossuth
Lee
Linn
Louisa
Lucas
Lyon
Madison
Mahaska
Marion
Marshall
Mills
Mitchell
Montgomery
Muscatine
O'Brien
Osceola
Page
Palo Alto
Plymouth
Polk
Pottawattamie
Poweshiek
Ringgold
Sac
Scott
Shelby
Sioux
Story
Taylor
Union
Van Buren
Warren
Washington
Wayne
Webster
Winnebago
Winneshiek
Woodbury
Worth
Wright
Largest Cities in Iowa
These major city pages usually attract the strongest commercial intent and create more downstream tool usage.
Highest Tax Cities in Iowa
Comparison links like these help users move from broad state intent into more specific local rate pages.
Sales Tax Calculator
Using the current combined rate for Iowa.
Rate applied
0.000%
Selected location
Sales tax
$0.00
Taxable base:
Total due
$0.00
Effective rate:
Rounded to the nearest cent. Tax treatment of shipping and discounts can vary by state.
Sitewide Helper
Sales Tax Calculator & Compliance Helper
One compact utility block for tax calculation, reverse calculation, ZIP lookup, nexus checks, exemption guidance, and product taxability.
Advanced Sales Tax Calculator
Estimate tax with shipping, discounts, and exempt subtotal support.
Rate applied
0.000%
Selected location
Sales tax
$0.00
Taxable base:
Total due
$0.00
Effective rate:
Rounded to the nearest cent. Tax treatment of shipping and discounts can vary by state.
Reverse Sales Tax Calculator
Work backward from the total paid to estimate the pre-tax price and tax amount.
Pre-tax price
$0.00
Tax amount
$0.00
ZIP / City Sales Tax Lookup
Search by ZIP code, city, county, or state to find current combined rates and local breakdowns.
Economic Nexus Checker
Compare your state-specific sales activity against current nexus thresholds using existing site data.
Nexus estimate
Should I Collect Sales Tax?
A fast intent-matching decision tree for businesses, marketplace sellers, and remote sellers.
Do you sell taxable goods or taxable services?
Do you sell into states outside your home state?
Have you crossed a nexus threshold in a destination state?
Do marketplaces handle most of your sales?
Do you have physical presence in the state?
Decision
Exemption Certificate Finder
Point buyers and sellers toward the right official portal and documentation checklist.
Product Taxability Checker
Version 1 uses the categories already modeled in the current database and always links back to official verification.
State-aware estimate
Verify with official source