States with changes Illinois

Illinois rate changes, Effective August 1, 2026

In force

Illinois Department of Revenue. This official chart has jurisdictions that changed or were new, effective August 1, 2026.

Showing the first 5 of 338 jurisdictions.

ADDISON, DUPAGE
Illinois · IL · 022-0002-3
9%State 6.25% · worked out from the state's printed total and state rate 2.75%Current rate
Previous
8.75%
Change (pts)
+0.25
Change effective
August 1, 2026
Verified
October 2, 2026 at 4:11 AM UTC
Official source Saved file
ALGONQUIN, KANE
Illinois · IL · 045-0052-0
8.25%State 6.25% · worked out from the state's printed total and state rate 2%Current rate
Previous
8%
Change (pts)
+0.25
Change effective
August 1, 2026
Verified
October 2, 2026 at 4:11 AM UTC
Official source Saved file
ALGONQUIN, MCHENRY
Illinois · IL · 056-0003-0
8.5%State 6.25% · worked out from the state's printed total and state rate 2.25%Current rate
Previous
8.25%
Change (pts)
+0.25
Change effective
August 1, 2026
Verified
October 2, 2026 at 4:11 AM UTC
Official source Saved file
ALSIP, COOK
Illinois · IL · 016-0031-1
10.25%State 6.25% · worked out from the state's printed total and state rate 4%Current rate
Previous
10%
Change (pts)
+0.25
Change effective
August 1, 2026
Verified
October 2, 2026 at 4:11 AM UTC
Official source Saved file
ANTIOCH, LAKE
Illinois · IL · 049-0002-2
8.25%State 6.25% · worked out from the state's printed total and state rate 2%Current rate
Previous
8%
Change (pts)
+0.25
Change effective
August 1, 2026
Verified
October 2, 2026 at 4:11 AM UTC
Official source Saved file

Rate changes. Previous is the prior printed rate. Current rate is the figure in effect, or Ended and the printed end date when the tax left the chart. Change (pts) is that move in percentage points, not a percent of the old rate. A known prior rate that left the chart moves to zero. Change effective is the official date. Verified is the time the file was retrieved.
Jurisdiction	Previous	Current rate	Change (pts)	Change effective	Verified	Source
ADDISON, DUPAGEIllinois · IL · 022-0002-3	8.75%	9%State 6.25% · worked out from the state's printed total and state rate 2.75%	+0.25	August 1, 2026	October 2, 2026 at 4:11 AM UTC	Official source Saved file
ALGONQUIN, KANEIllinois · IL · 045-0052-0	8%	8.25%State 6.25% · worked out from the state's printed total and state rate 2%	+0.25	August 1, 2026	October 2, 2026 at 4:11 AM UTC	Official source Saved file
ALGONQUIN, MCHENRYIllinois · IL · 056-0003-0	8.25%	8.5%State 6.25% · worked out from the state's printed total and state rate 2.25%	+0.25	August 1, 2026	October 2, 2026 at 4:11 AM UTC	Official source Saved file
ALSIP, COOKIllinois · IL · 016-0031-1	10%	10.25%State 6.25% · worked out from the state's printed total and state rate 4%	+0.25	August 1, 2026	October 2, 2026 at 4:11 AM UTC	Official source Saved file
ANTIOCH, LAKEIllinois · IL · 049-0002-2	8%	8.25%State 6.25% · worked out from the state's printed total and state rate 2%	+0.25	August 1, 2026	October 2, 2026 at 4:11 AM UTC	Official source Saved file

The full list is included with a plan.