Which state has lower sales tax, CO or IL?

CO has lower sales tax with an average rate of 7.208% compared to IL's 8.289%.

What is the average sales tax rate in CO?

The average sales tax rate in CO is 7.208%, with rates ranging from 2.9% to 11.65%.

The average sales tax rate in IL is 8.289%, with rates ranging from 6.25% to 12%.

On $10,000 annual spending, you would save approximately $108.12 per year by living in CO.

Sales Tax Rate Comparison 2026

Winner: CO

CO has 1.081% lower average sales tax than IL

Average Rate 7.208%

Lowest Rate 2.9%

Highest Rate 11.65%

Cities 638

Average Rate 8.289%

Lowest Rate 6.25%

Highest Rate 12%

Cities 1568

On a $10,000 annual spending, you would save approximately 108.12 per year by living in CO instead of IL.

CO Tax

720.75

IL Tax

828.87

See how CO and IL compare to other popular states:

View All State Comparisons →

← Back to Calculator