Cook County · Illinois
Chicago, IL sales tax rate
Chicago's 10.25% is the highest combined rate among the largest US cities, and groceries and prescription drugs are taxed at a reduced 1% state rate.
Quick answer
The combined sales tax rate in Chicago, IL is 10.25% as of January 1, 2026 — 6.25% state + 1.75% county + 1.25% city + 1% special district. On a $100 purchase that is $10.25 in tax, for a total of $110.25. Illinois's statewide base is 6.25%.
- Combined rate
- 10.25%
- State share
- 6.25%
- Local share
- 4%County + city + districts
- Tax on $100
- $10.25
Calculate Chicago sales tax
Pre-filled with the Chicago combined rate.
Sales tax calculator
The full combined rate of 10.25% applies to general merchandise.
Enter a pre-tax amount to see the tax due in Chicago, IL.
- Pre-tax
- $100
- Sales tax at 10.25%
- $10.25
- Total
- $110.25
Tax is rounded to the nearest cent on the full transaction, which is how most registers compute it. Line-item rounding can differ by a cent or two on long receipts.
Jurisdiction breakdown
Every layer that makes up the combined rate, and how much of the total each one contributes.
| Jurisdiction | Level | Rate | Share of total |
|---|---|---|---|
| Illinois state | state | 6.25% | 61% |
| Cook County | county | 1.75% | 17% |
| City of Chicago | city | 1.25% | 12% |
| Regional Transportation Authority | special district | 1% | 10% |
| Combined rate | 10.25% |
Chicago sales tax reference table
Tax due at 10.25% on common purchase amounts.
| Purchase | Sales tax | Total |
|---|---|---|
| $10 | $1.03 | $11.03 |
| $25 | $2.56 | $27.56 |
| $50 | $5.13 | $55.13 |
| $100 | $10.25 | $110.25 |
| $500 | $51.25 | $551.25 |
| $1,000 | $102.50 | $1102.50 |
| $5,000 | $512.50 | $5512.50 |
| $25,000 | $2562.50 | $27562.50 |
Reverse out sales tax
Enter a receipt total and we split the item price from the 10.25% tax collected.
Backing out 10.25% for Chicago, IL.
- Item price before tax
- $100
- Sales tax collected
- $10.25
What this rate applies to
Illinois publishes the taxable base separately from the rate. Groceries, prescription drugs, clothing and services are treated differently state to state, and several categories in Illinois are taxed at reduced rates or exempt entirely. Chicago's 10.25% is the highest combined rate among the largest US cities, and groceries and prescription drugs are taxed at a reduced 1% state rate. Check the Illinois Department of Revenue guidance for the category you are pricing before assuming 10.25% applies.
Chicago at a glance
- Population
- 2,664,452
- Median household income
- $71,673
- County
- Cook County
- ZIP codes covered
- 12
Neighboring districts tax profiles
The closest covered jurisdictions by county and ZIP sectional centre, with the rate difference against this metro.
Compare Chicago with another metro
Side-by-side rate stacks and the dollar difference on a $1,000 purchase.
Cities near Chicago
Straight-line distance, estimated drive time and the rate charged there.
Download this metro's data
The Chicago jurisdiction stack, combined rate (10.25%), effective date and Census figures are published as open files. Free to use with attribution — no key, no signup.