State Income Tax Comparison
Taxes

Illinois vs Wisconsin: State Income Tax

Illinois has a lower state income tax rate than Wisconsin.

Illinois flag
Illinois
IL • Midwest
Winner
4.95%
Top marginal state income tax rate. 0% = no state income tax.
Wisconsin flag
Wisconsin
WI • Midwest
7.65%
Top marginal state income tax rate. 0% = no state income tax.

Visual Comparison

Illinois 4.95%
Wisconsin 7.65%

Difference: 2.70 percentage points — Illinois leads.

National Rankings

Where They Rank Nationally

See where both states fall among all 50 states for state income tax.

Illinois #24 · 4.95%
Wisconsin #43 · 7.65%
Best Worst

10 Best States — State Income Tax

Lower is better
#1 Alaska flag Alaska
None (0%)
#2 Florida flag Florida
None (0%)
#3 Nevada flag Nevada
None (0%)
#4 New Hampshire flag New Hampshire
None (0%)
#5 South Dakota flag South Dakota
None (0%)
#6 Tennessee flag Tennessee
None (0%)
#7 Texas flag Texas
None (0%)
#8 Washington flag Washington
None (0%)
#9 Wyoming flag Wyoming
None (0%)
#10 Arizona flag Arizona
2.50%
Selected states
#24 Illinois flag Illinois
4.95%
#43 Wisconsin flag Wisconsin
7.65%

Illinois ranks 24th and Wisconsin ranks 43rd nationally for state income tax.

Related Context

Tax Burden Picture

Income tax is just one layer — sales and property taxes complete the picture.

What This Means

Illinois vs Wisconsin: State Income Tax in context

Illinois has a state income tax of 4.95%, compared with 7.65% in Wisconsin. Top marginal state income tax rate. 0% = no state income tax.

Illinois
4.95%
Wisconsin
7.65%
Difference
2.70 percentage points

People Also Ask

Illinois vs Wisconsin State Income Tax — Common Questions

Q What is Illinois's state income tax?

Illinois's state income tax is 4.95%.

Q What is Wisconsin's state income tax?

Wisconsin's state income tax is 7.65%.

Q Which state has a lower state income tax — Illinois or Wisconsin?

Illinois has a lower state income tax rate than Wisconsin.

Sources: Core demographic data comes from the 2020 U.S. Census, with land area from U.S. Census Bureau TIGER files. Income, housing, affordability, and tax fields are maintained in our comparison dataset; purchasing-power figures use BEA Regional Price Parities. Minimum wage data comes from the U.S. Department of Labor, gas prices from AAA, and electricity rates from the U.S. Energy Information Administration. Political control and election fields use 2024 presidential results together with National Conference of State Legislatures data. Gun-law labels use the Giffords scorecard, alcohol system data comes from NABCA, and marijuana status uses NCSL's state cannabis laws tracker.