Washington, Illinois sales tax rate: 9%
Last updated Checked monthly
The sales tax rate in Washington, Illinois is 9%. That’s the 6.25% state rate plus 2.75% in local taxes. It’s higher than 275 of the 331 Illinois cities we checked, and 6 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Washington combined rate
9%
- Illinois state
- 6.25%
- Tazewell CountyCounty
- 0.5%
- WashingtonCity
- 2.25%
Washington sales tax calculator
Enter a price and what you’re selling.
- IllinoisState · 6.25%$6.25
- Tazewell CountyCounty · 0.5%$0.50
- Washington City (Tazewell County)City · 2.25%$2.25
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoWashington sales tax rate breakdown
State, county and city taxes add up to 9%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Illinois | State | 6.25% |
| Tazewell County | County | 0.5% |
| Washington City (Tazewell County) | City | 2.25% |
| Combined rate | 9% |
Rate history
- July 20239%
- July 20249%
- July 20259%
- July 20269%
- Today9%
No change since July 2023.
Sales tax near Washington
Closest cities
- East Peoria6 mi8.5%
- Morton7 mi7.5%
- Deer Creek8 mi7.75%
- Peoria10 mi9%
- Goodfield11 mi8.25%
- Pekin14 mi8.5%
- Chillicothe15 mi7.75%
- Dunlap16 mi7.25%
Elsewhere in Tazewell County
- Pekin8.5%
- East Peoria8.5%
- Morton7.5%
- Hopedale6.75%
- Deer Creek7.75%
Charge the right rate in Washington, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Illinois return for you, with a sales tax team you can call.
Washington 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 Washington, Illinois?
The combined sales tax rate in Washington is 9% as of November 2, 2026. It’s made up of 6.25% Illinois state tax, 0.5% Tazewell County, 2.25% Washington City (Tazewell County).
Does the sales tax rate vary within Washington?
Washington has no special-district taxes, so most addresses in the city pay the same 9%: Illinois’s 6.25% plus 0.5% county tax plus 2.25% city tax. This rate was calculated for Washington’s 61571 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Washington?
No.
Do online sellers have to collect sales tax in Washington?
Yes, if they have nexus in Illinois: more than $100,000 in Illinois sales in the previous or current calendar year, or a physical presence in the state. They register with the Illinois Department of Revenue and charge the rate at the buyer’s address.
Sources. Illinois Department of Revenue · Zamp Sales Tax API, for Washington’s 61571 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 Illinois return and handles notices, with a sales tax team you can call.
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