Oak Park, Illinois sales tax rate: 10.25%
Last updated Checked monthly
The sales tax rate in Oak Park, Illinois is 10.25%. That’s the 6.25% state rate plus 4% in local taxes. It’s higher than 297 of the 331 Illinois cities we checked, and 25 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Oak Park combined rate
10.25%
- Illinois state
- 6.25%
- Cook CountyCounty
- 1.75%
- Oak ParkCity
- 1%
- Cook County NitaSpecial district
- 1.25%
Oak Park sales tax calculator
Enter a price and what you’re selling.
- IllinoisState · 6.25%$6.25
- Cook CountyCounty · 1.75%$1.75
- Oak Park Village (Cook County)City · 1%$1.00
- Cook County NitaSpecial district · 1.25%$1.25
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoOak Park sales tax rate breakdown
State, county, city and special district taxes add up to 10.25%. District lines don’t follow city limits, so some Oak Park addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Illinois | State | 6.25% |
| Cook County | County | 1.75% |
| Oak Park Village (Cook County) | City | 1% |
| Cook County Nita | Special district | 1.25% |
| Combined rate | 10.25% |
Rate history
- July 202310%
- July 202410%
- July 202510%
- July 202610%
- Today10.25%
Changed since July 2023.
Sales tax near Oak Park
Closest cities
- River Forest2 mi10.25%
- Forest Park2 mi10.25%
- Cicero3 mi11%
- Stone Park5 mi10.5%
- Brookfield5 mi10.25%
- Berkeley6 mi10.25%
- Chicago6 mi10.5%
- Summit7 mi10.25%
Elsewhere in Cook County
- Chicago10.5%
- Cicero11%
- Schaumburg10.25%
- Evanston10.5%
- Arlington Heights10.25%
- Palatine10.25%
- Des Plaines10.25%
- Glenview10%
- Park Ridge10.25%
- Streamwood10.25%
- Wheeling10.25%
- Calumet City11.25%
Charge the right rate in Oak Park, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every Illinois return for you, with a sales tax team you can call.
Oak Park 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 Oak Park, Illinois?
The combined sales tax rate in Oak Park is 10.25% as of November 2, 2026. It’s made up of 6.25% Illinois state tax, 1.75% Cook County, 1% Oak Park Village (Cook County), 1.25% Cook County Nita.
Why does Oak Park pay Cook County Nita tax?
A special district such as Cook County Nita levies its own sales tax on top of the state, county and city rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for Oak Park’s 60303 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Oak Park?
No.
Do online sellers have to collect sales tax in Oak Park?
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 Oak Park’s 60303 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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