Sales tax in Oak Park, IL
The combined sales tax rate in Oak Park, IL is 10.25%, effective 2026-08-01.
Last verified
- ZIP codes
- 3 on file, all wholly inside the city limits
- County
- Cook County
- Levied by
- Illinois, Cook County and Oak Park
How the combined rate in Oak Park, IL is made up
Each government below levies its own share. A seller collects them together at the till and passes each share to the authority that levied it.
| Jurisdiction | Type | Rate | Effective | Source |
|---|---|---|---|---|
| Illinois | state | 6.25% | Jan 1, 1990 | Illinois machine-readable sales tax rate files |
| Cook County | county | 3% | Aug 1, 2026 | Illinois machine-readable sales tax rate files |
| Oak Park | city | 1% | Aug 1, 2026 | Illinois machine-readable sales tax rate files |
| Combined rate | 10.25% | |||
ZIP codes in Oak Park
3 on file, every one wholly inside the city limits. Each has its own page.
3 ZIP codes wholly inside Oak Park
Every address in these is inside the city limits, so all of them pay Oak Park's rate.
How Oak Park compares with the rest of Illinois
Oak Park's 10.25% is above what most ZIP codes carry in Illinois. Of the state's 1,568 ZIP codes with a figure, 70 land on the same one, 1,361 carry a lower figure and 137 a higher one. Across Illinois the combined rate runs from 6.25% to 11.25%. See every city in Illinois.
| Combined rate | ZIP codes | Which is this city |
|---|---|---|
| ~7.25% | 344 | |
| ~7.75% | 206 | |
| ~8.25% | 184 | |
| ~10.5% | 114 | |
| ~6.25% | 104 | |
| ~10.25% | 70 | Oak Park |
Counted from ZIP-code figures. A tilde marks a band where some ZIP codes cross a tax boundary and are counted at their most likely rate.
How sales tax is collected
The seller generally collects the tax from the buyer at the point of sale and passes it to the authorities that levied it. In most states it is added at the till rather than included in the advertised price. Read how sales tax works, including sourcing rules, online purchases and who is required to collect.
Rates last verified: Sep 6, 2026. This is when the source was last read, not when this page was last edited.
TaxAndTips provides informational estimates from published tax-rate data. Actual tax treatment can depend on the product or service, the exact address, the transaction, exemption status and applicable law. For official obligations, consult the taxing authority or a qualified tax professional.
Why you can rely on these figures
- Published rates
- State and local rates compiled from the tax authorities that levy them.
- Every figure sourced
- See the jurisdiction breakdown and the document each rate came from.
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