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Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

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Sales Tax Rate Machine Readable Files - Address Specific

The following downloadable machine readable files contain the location-specific sales tax rates for addresses in Illinois*. It is a large comma delimited file (approximately 2 GB compressed and 9 GB uncompressed) generally for use by software developers and electronic transmitters. Sales tax rate changes generally occur effective January 1 or July 1 of each year.

Notes:

  • Tax rates for Illinois locations may also be obtained through our online tax rate finder in MyTax Illinois. 
  • If you are an Illinois business (or have a presence in Illinois), or are a software developer or electronic transmitter for Illinois businesses, and you require tax rates specific to local ordinances (jursidictions), see the Machine Readable Files specific to counties/municipalities.

* For more information, visit our webpage for Destination-Based Sales Tax Assistance.