Illinois Corporate Tax Rate: What You Need to Know
What is the Illinois corporate tax rate? 9.50% Notable 2021 State Corporate Income Tax Changes As of State State Corporate Income Tax Rates State Corporate Income Tax Brackets Idaho 6.925% $0 Illinois (d) 9.50% $0 Indiana (e) 5.25% $0 87 more rows ? Read more on taxfoundation.org There are thousands of enterprises in Illinois, ranging … Read more