2024 Indiana State Tax Deadlines
Indiana Individual Income Tax Filing deadlines and extensions for 2024.
If you are a resident or have been involved in significant business operations within Indiana, then you might be required to file Indiana State Taxes. We look at the most important tax deadlines and tax extensions for Indiana in 2024.
Indiana Business Tax Deadlines for 2024
C Corporation
Indiana C Corporation Tax Deadlines for 2024
You must file & pay Corporate Income Taxes in Indiana by April 15, 2025.
- File Online with Indiana Department of Revenue’s INTIME service.
- File by Mail must be postmarked by the due date.
Form IT-20 – Indiana Corporate Adjusted Gross Income Tax Return.
Extension to File Taxes in Indiana for 2024
You must send payment for taxes in Indiana for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Indiana corporate income tax return.
Indiana automatically grants a 6-month extension on filing corporate income tax returns. This means you do not need to file for an extension in Indiana.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Pass-Throughs
Indiana S Corporation & Partnership Tax Deadlines for 2024
You must file in Indiana by April 15, 2025.
- File Online with Indiana Department of Revenue’s INTIME service.
- File by Mail must be postmarked by the due date.
Form IT-65 – Indiana Partnership Return.
Form IT-20S – Indiana S Corporation Income Tax Return.
Extension to File S Corporation & Partnership Taxes in Indiana for 2024
You must send a payment for taxes in Indiana for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Indiana pass-through entity tax return.
Indiana automatically grants a 6-month extension on filing pass-through entity tax returns. This means you do not need to file for an extension in Indiana.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Indiana Individual Tax Deadlines for 2024
Estimated Tax Deadline for Indiana 2024
Estimated tax payments are made:
- April 15, 2024,
- June 17, 2024,
- September 16, 2024,
- January 15, 2025.
See Form ES-40 instructions for the amount to pay with each voucher.
Individual Tax Deadline for Indiana 2024
You must file & pay Individual Income Taxes in Indiana by April 15, 2025.
- File Online with Indiana Department of Revenue’s INTIME service.
- File by Mail must be postmarked by the due date.
Applicable forms:
- Form IT-40 – Residents.
- Form IT-40PNR – Part-Year Residents and Full-Year Nonresidents.
Extension to File Taxes in Indiana for 2024
You must send payment for taxes in Indiana for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Indiana Individual Income tax return.
Indiana automatically grants a 6-month extension on filing personal income taxes. This means you do not need to file for an extension in Indiana.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Sources
- Indiana Department of Revenue - Filing Information
- Indiana Department of Revenue - Tax Forms
- Indiana Department of Revenue - Extension Information
The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
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