Chicago Sales Tax Calculator
State tax $5.62
County tax $1.57
City tax $1.12
RTA tax $0.90
Total tax $9.21
Total bill $99.20
Chicago sales tax breakdown by component
The total Chicago sales tax rate (10.25% in 2024) combines four distinct factors. Each component funds different public services:
- Illinois state tax (6.25%) – state‑wide base rate.
- Cook County tax (1.75%) – county level for health & infrastructure.
- City of Chicago tax (1.25%) – municipal services and schools.
- Regional Transportation Authority (1.00%) – public transit.
| Tax factor | Rate (%) | Paid on $100 |
|---|---|---|
| Illinois state | 6.25% | $6.25 |
| Cook County | 1.75% | $1.75 |
| City of Chicago | 1.25% | $1.25 |
| RTA | 1.00% | $1.00 |
| Total | 10.25% | $10.25 |
Historical rates & model year comparison
Use the year preset to load approximate rates for recent years. (Actual adjustments may vary; consult Illinois DOR.)
| Year | State | County | City | RTA | Total |
|---|---|---|---|---|---|
| 2024 | 6.25% | 1.75% | 1.25% | 1.00% | 10.25% |
| 2025 (estimate) | 6.25% | 1.75% | 1.25% | 1.00% | 10.25% |
| 2026 (projected) | 6.25% | 1.75% | 1.25% | 1.00% | 10.25% |
How to use the chicago sales tax calculator
Enter any purchase amount, then adjust the four tax rates if needed (they default to current Chicago values). The optional year field lets you quickly reload the standard rates for 2024‑2026.
- Type a custom amount, year, or modify individual rates.
- Click “load year preset” to reset rates to the selected year’s standard.
- View detailed tax per component and the interactive chart.
| Purchase ($) | State tax | County tax | City tax | RTA tax | Total tax |
|---|---|---|---|---|---|
| $25.00 | $1.56 | $0.44 | $0.31 | $0.25 | $2.56 |
| $99.99 | $6.25 | $1.75 | $1.25 | $1.00 | $10.25 |
| $250.00 | $15.63 | $4.38 | $3.13 | $2.50 | $25.64 |
Frequently asked questions about Chicago sales tax
Is the Chicago sales tax rate the same for all products?
How often do Chicago sales tax rates change?
Can I use this calculator for other Illinois cities?
| Area | Total rate (2024) |
|---|---|
| Chicago (Cook) | 10.25% |
| Suburban Cook | 8.00% |
| DuPage County | 8.00% |
| Lake County | 7.25% |
If you’re looking to quickly calculate state-specific vehicle taxes, you can use the NJ Vehicle Sales Tax Calculator, the Mississippi Sales Tax Calculator, or the Hawaii Sales Tax 4.712% Calculator for accurate and instant results. You can also explore the complete collection in the Sales Calculator Category to find more helpful tax and sales calculation tools.