Kansas Individual Income Tax Forms (Tax Year 2025)
Kansas individual income taxes are administered by the
Kansas Department of Revenue.
This page provides official resources for Kansas individual income tax forms for tax year 2025, filed in 2026.
File Kansas Income Tax Online (2025)
Kansas provides electronic filing and payment through its official online system.
Taxpayers can file returns, make payments, and manage accounts using
Customer Service Center.
Quick Links (Official Kansas Department of Revenue)
The official Kansas Department of Revenue website is available at
Kansas Department of Revenue.
General information about individual income tax is available on the
Kansas individual income tax overview page.
Official Kansas tax forms for all years are available in the
Kansas Department of Revenue forms library.
Kansas Individual Income Tax Forms (2025)
Kansas residents and nonresidents file their state income tax return using
Form K-40, Kansas Individual Income Tax Return.
Taxpayers who make estimated payments use Form K-40ES.
An extension of time to file may be requested using Form K-40V.
Previously filed Kansas individual income tax returns may be corrected using
Form K-40X, Amended Kansas Individual Income Tax Return.
Kansas Individual Income Tax Deadlines (Tax Year 2025)
Kansas individual income tax returns for tax year 2025 are due April 15, 2026.
Approved filing extensions generally run through October 15, 2026.
Estimated tax payments are generally due on April 15, June 15, September 15, 2026, and January 15, 2027.
Kansas Taxpayer Resources (2025)
Taxpayers can file returns and make payments using the
Kansas Customer Service Center.
Additional guidance is available on the
Kansas individual income tax guidance page.
Contact information for the Kansas Department of Revenue is available on the official contact page.
Disclaimer
This page links to official Kansas Department of Revenue resources for informational purposes only.
Tax laws, forms, and filing requirements may change.
Always verify information on the official Kansas Department of Revenue website.
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