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Illinois tax rate changes, January 2018


 Changes to local tax rates planned for 2018 in Illinois.

Update 12.12.2017: The Illinois Department of Revenue has published updated information about the sales tax rate changes taking effect Jan. 1, 2018. New information has been incorporated into the post.

Numerous local tax rate changes are set to take effect in Illinois on Jan. 1, 2018.

Simplified municipal telecommunications tax rate changes

Simplified municipal telecommunications tax rates in numerous municipalities will increase between 1 and 6%:

  • Dolton (Cook County): up 1% to 13%
  • Frankfort (Cook and Will Counties): up 1% to 13%
  • Fulton (Whiteside County): up 4% to 12%
  • Galva (Henry County): up 5% to 12%
  • Green Oaks (Lake County): up 6% to 13%
  • Henning (Vermillion County): up 4.5% to 11.5%
  • Herrin (Williamson County): up 1% to 13%
  • Lacon (Marshall County): up 3% to 11%
  • Rochelle (Lee and Ogle Counties): up 1% to 13%
  • Round Lake (Lake County): up 2% to 13%

Business district tax rate changes

Business district tax rates are expected to change in the following areas as of Jan. 1, though rates have not yet been announced:

  • Forreston Business District: up 1% to 7.25%
  • Fox Lake Central Business District: up 1% to 8%
  • Fox Lake South Business District: up 1% to 8%
  • Moline Business District: up 1% to 9.5%
  • O’Fallon Business District: up 1% to 8.85%
  • Ramsey Business District: up 0.5% to 7.25%
  • Riverside Business District 1: up 1% to 11%
  • Troy Business District III: up 1% to 7.85%

Home rule municipal sales tax rate changes

Home rule sales tax rates in the following municipalities are expected to change on Jan. 1, though rates have not yet been announced:

  • Belleville: no change
  • Carbondale: no change
  • Mount Vernon: up 1% to 9.25%
  • Naperville: no change
  • New Lenox: up 0.5% to 9%
  • Phoenix: up 1% to 10%
  • Thornton: up 0.5% to 9.5%
  • Williamsville: up 0.5% to 7.25%
  • Woodstock: up 1% to 8%

Non-home rule sales tax changes

  • Assumption: up 1% to 8.25%

Additional information, including address ranges for the business districts, is available from the Illinois Department of Revenue.

It’s a hassle to keep track of local rate changes in one state, especially states like Illinois that allow home rule jurisdictions to administer their own local taxes. Tax automation software simplifies sales and use tax compliance nationwide. Learn more.


Gail Cole
Avalara Author
Gail Cole
Gail Cole
Avalara Author Gail Cole
Gail began researching and writing about sales tax in 2012 and has been fascinated with it ever since. She has a penchant for uncovering unusual tax facts, and endeavors to make complex sales tax laws more digestible for both experts and laypeople.