Ohio 2025 Individual Income Tax Forms
File Ohio Individual Income Tax Online (2025)
Ohio taxpayers can file their state income tax return electronically using the
state’s official online system.
- Official Ohio online filing portal:
https://tax.ohio.gov/individual/file-now
- File the Ohio IT 1040 electronically
- Make estimated and extension payments online
- View notices and manage your Ohio tax account
Quick Links (Official Ohio Department of Taxation)
Ohio Individual Income Tax Forms (2025)
Ohio publishes individual income tax forms annually.
When released, 2025 forms will be available through the official links below.
| Form | Description | Official source |
|---|---|---|
| Ohio IT 1040 | Ohio Individual Income Tax Return | Access IT 1040 (official forms page) |
| Schedule A | Ohio Adjustments to Income | Access Schedule A (official) |
| Schedule of Credits | Nonrefundable and refundable Ohio tax credits | Access Credits Schedule |
| SD 100 | Ohio School District Income Tax Return (if applicable) | Access SD 100 (official) |
Estimated Payments & Amendments (2025)
- Ohio IT 1040ES – Estimated Income Tax
Estimated tax forms (official source)
- Ohio IT 1040X – Amended Individual Income Tax Return
Amended return forms (official source)
Ohio Individual Income Tax Deadlines (Tax Year 2025)
- Return due date: April 15, 2026
- Extension filing deadline: October 15, 2026
- Estimated payment due dates:
April 15, 2026; June 15, 2026; September 15, 2026; January 15, 2027
Filing and payment deadlines are published by the Ohio Department of Taxation. Always verify dates on the official Ohio tax website.
Ohio Taxpayer Resources (2025)
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