Mendota, Illinois sales tax rate: 7.5%
Last updated Checked monthly
The sales tax rate in Mendota, Illinois is 7.5%. That’s the 6.25% state rate plus 1.25% in local taxes. It’s higher than 128 of the 331 Illinois cities we checked, and 14 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Mendota combined rate
7.5%
- Illinois state
- 6.25%
- Lasalle CountyCounty
- 0.25%
- MendotaCity
- 1%
Mendota sales tax calculator
Enter a price and what you’re selling.
- IllinoisState · 6.25%$6.25
- Lasalle CountyCounty · 0.25%$0.25
- Mendota City (Lasalle County)City · 1%$1.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoMendota sales tax rate breakdown
State, county and city taxes add up to 7.5%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Illinois | State | 6.25% |
| Lasalle County | County | 0.25% |
| Mendota City (Lasalle County) | City | 1% |
| Combined rate | 7.5% |
Rate history
- July 20236.5%
- July 20246.5%
- July 20257.5%
- July 20267.5%
- Today7.5%
Changed since July 2023.
Sales tax near Mendota
Closest cities
- Troy Grove6 mi6.5%
- Peru14 mi7.5%
- Dalzell14 mi7.25%
- Hollowayville17 mi7.25%
- Spring Valley17 mi8.25%
- Ohio19 mi7.25%
- Depue19 mi8.25%
- Ottawa20 mi7.5%
Elsewhere in LaSalle County
- Ottawa7.5%
- Streator7.5%
- Peru7.5%
- Tonica7.5%
- Troy Grove6.5%
Charge the right rate in Mendota, 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.
Mendota 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 Mendota, Illinois?
The combined sales tax rate in Mendota is 7.5% as of November 2, 2026. It’s made up of 6.25% Illinois state tax, 0.25% Lasalle County, 1% Mendota City (Lasalle County).
Does the sales tax rate vary within Mendota?
Mendota has no special-district taxes, so most addresses in the city pay the same 7.5%: Illinois’s 6.25% plus 0.25% county tax plus 1% city tax. This rate was calculated for Mendota’s 61342 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Mendota?
No.
Do online sellers have to collect sales tax in Mendota?
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 Mendota’s 61342 ZIP code. Rates are checked monthly and are for information, not tax advice.
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