Prepare and efile Your Illinois State Tax Return
With the efile.com online tax software, it is easy for you to prepare and efile your Illinois state tax return and federal tax return together or separately. The efile software helps you choose all the right state and federal forms, and you can prepare and efile as many state returns (resident, nonresident, or part-year resident) as you need for one price.
Illinois Income Tax Filing Deadlines
The regular deadline to file an Illinois state income tax return is April 15.
|
Tax Deadline Date |
Type of Income Tax Return Filing Deadline |
|
April 17, 2012 |
Due date for Illinois State Income Tax Returns - filing deadline |
|
April 17, 2012 |
Due date for Illinois automatic extensions (and payment due date if tax is owed) |
|
October 15, 2012 |
Last day to efile an Illinois State Income Tax Return for tax extension filers and late efilers |
View all state tax return filing deadlines here.
Find federal income tax return filing deadlines here.
Illinois State Tax Forms
All of the following Illinois state tax forms are supported by the efile.com software:
|
Form/Schedule |
Description |
|
Form 1040 |
Individual Income Tax Return |
|
Schedule CR |
Credit for Tax Paid to Other States |
|
Schedule ED |
Credit for Qualified Education Expenses |
|
Schedule G |
Voluntary Charitable Donations |
|
Schedule ICR Section B |
Education Expense Credit |
|
Schedule M |
Other Additions and Subtractions |
|
Schedule MR |
Military Spouse Relief |
|
Schedule NR |
Nonresident & Part-Year Resident Computation |
|
Form 1040ES |
Estimated Income Tax Payments for Individuals |
|
Form 1040PC |
Online e-Filing |
|
Form 1040-V |
Payment Voucher for Individual Income Tax |
|
Form 1040-X |
Amended Return |
|
Form 1310 |
Statement of Person Claiming Refund Due a Deceased Taxpayer |
|
Form 2210 |
Computation of Penalties for Individuals |
|
Form 4562 |
Special Depreciation |
|
Form 4852 |
Substitute for Unobtainable Form W2 |
Illinois State Tax Forms that Cannot be efiled
Illinois State Withholding Form
|
Form/Description |
Instructions |
|
Form W-4 |
Illinois State Employees Withholding Allowance Certificate |
|
Form/Description |
Instructions |
|
Past Year Forms: Tax Year 2010 Illinois Tax Forms (Print, Fill Out, and Mail) |
|
Form 1040 |
Individual Income Tax Return |
|
Schedule CR |
Credit for Tax Paid to Other States |
|
Schedule ED |
Credit for Qualified Education Expenses |
|
Schedule G |
Voluntary Charitable Donations |
|
Schedule ICR Section B |
Education Expense Credit |
|
Schedule M |
Other Additions and Subtractions |
|
Schedule MR |
Military Spouse Relief |
|
Schedule NR |
Nonresident & Part-Year Resident Computation |
|
Form 1040ES |
Estimated Income Tax Payments for Individuals |
|
Form 1040PC |
Online e-Filing |
|
Form 1040-V |
Payment Voucher for Individual Income Tax |
|
Form 1040-X |
Amended Return |
|
Form 1310 |
Statement of Person Claiming Refund Due a Deceased Taxpayer |
|
Form 2210 |
Computation of Penalties for Individuals |
|
Form 4562 |
Special Depreciation |
|
Form 4852 |
Substitute for Unobtainable Form W2 |
IL Tax Extensions
Illinois grants an automatic six month extension of time to file. You do not have to fill out any forms. But you must pay any taxes you may owe by the original deadline (using Form IL-505-I, Automatic Extension Payment for Individuals) or you may accrue penalties and interest.
Learn more about filing an Illinois State Tax Extension.
IL Tax Amendments
If you have already filed or efiled your Illinois state return and you need to make corrections, you can file an amended return.
To prepare an amended Illinois tax return, you must file Form IL-1040-X, Amended Individual Income Tax Return, by mail.
Where's My Refund? - Check Your IL State Tax Refund Status
Using efile and direct deposit is the fastest way to get your Illinois state tax refund. If you efile an Illinois state tax return, your refund will generally be processed within 1 week. If you file a paper return, it could take as long as 15 weeks to receive your state refund.
You can check the official status of your Illinois tax refund online here.
IL efile Error Codes
View a list of all Illinois State efile Income Tax Return Error Reject Codes.
Illinois Tax Facts
IL Income Tax:
Illinois taxes individual income at a single flat rate. For tax year 2010, this rate was 3%. For tax year 2011 and beyond, the state income tax rate is 5%.
IL Sales Tax:
The state of Illinois levies a 6.5% sales tax on most goods. The rate is 1% for certain food items, medicines, and medical items. Local governments levy additional sales taxes at various rates. Some things, like newspapers, and some large items (such as machinery used for farming or for the graphic arts) are exempt from sales tax.
IL Personal Property Tax:
In Illinois, real estate is taxed locally at different rates by several taxing districts, including municipalities, counties, townships, school districts, and special districts.
Odd Tax Fact:
To cash in on tourists, the city of Chicago taxes transportation, including taxis and trolleys.
State Tax Agency:
For more information, you can visit the website of the Illinois Department of Revenue.
Back to overview of state income taxes