Naperville Sales Tax Calculator (2026)

The sales tax rate in Naperville, Illinois is 7.75%. That is made up of the 6.25% Illinois state sales tax plus about 1.5% in local city and county taxes. On a $100 purchase you pay $7.75 in sales tax, for a total of $107.75.

7.75%Combined rate
6.25%IL state rate
1.5%Local add-on

Naperville Sales Tax Calculator

For other rates and a UK VAT mode, use the full sales tax calculator.

Sales tax in Naperville, Illinois

When you buy something in Naperville, the price at the register includes a combined sales tax of 7.75%. That figure layers local Naperville city and county taxes of about 1.5% on top of the Illinois state base rate of 6.25%. The exact rate can vary slightly by special taxing district within the city, so always confirm the rate shown at checkout for your specific address.

How much sales tax will you pay in Naperville?

To work out the tax on any purchase, multiply the price by 7.75%. A few quick examples for Naperville:

Purchase priceSales tax (7.75%)Total
$20$1.55$21.55
$50$3.88$53.88
$100$7.75$107.75
$500$38.75$538.75
$1,000$77.50$1,077.50

Compare Naperville with the rest of the state on the Illinois sales tax page, or see every state on the sales tax by state hub. To work out your true out-the-door price after a discount, pair this with the discount calculator.

Frequently asked questions

What is the sales tax rate in Naperville?

The combined sales tax rate in Naperville, IL is 7.75%, which includes the 6.25% Illinois state rate and about 1.5% in local taxes.

How do I calculate sales tax in Naperville?

Multiply the price by 7.75% (i.e. by 0.0775). For example, a $50 item has $3.88 of sales tax, for a total of $53.88.

How do I remove sales tax from a Naperville total?

Divide the tax-inclusive total by 1.0775. The result is the pre-tax price and the remainder is the 7.75% tax.

Is Naperville sales tax the same as the Illinois state rate?

No. Illinois charges a 6.25% state rate, and Naperville adds local taxes on top for a 7.75% combined rate.