Kentucky Tax Guide (2026)
Comprehensive statutory analysis of Kentucky individual income tax rates, Department of Revenue filing forms, extension guidelines, telecommuting sourcing rules, and pass-through entity tax provisions.
Key Statutory Tax Parameters (Kentucky, 2026)
2026 Legislative & Statutory Highlights
Kentucky operates a flat individual income tax rate of 4.0%, down from 4.5% under statutory reduction triggers established in House Bill 8. Kentucky provides a standard deduction indexed for inflation ($3,160).
Kentucky operates a flat personal income tax schedule with a statutory flat rate of 3.5%. Tax parameters are indexed annually or enacted through state legislative sessions. Taxpayers should ensure that adjustments for federal bonus depreciation, Section 179 expensing, and Net Operating Loss (NOL) carryforwards follow Kentucky's specific rolling or static Internal Revenue Code conformity date.
Filing Forms, Deadlines & Extension Guidelines
Multi-State Workers & Telecommuting Sourcing Rules
Kentucky taxes residents on all income. Kentucky has reciprocal tax agreements with 7 bordering states: Illinois, Indiana, Michigan, Ohio, Virginia, West Virginia, and Wisconsin.
Pass-Through Entity (PTE) Tax & Small Business Rules
Kentucky enacted an elective Pass-Through Entity Tax (HB 360 / HB 5) allowing partnerships and S-corps to pay tax at the 4.0% flat rate at the entity level.
Estate & Inheritance Tax
Kentucky does not impose a state estate tax, but it does levy a state inheritance tax on transfers to non-exempt beneficiaries (Class C beneficiaries such as nieces, nephews, and unrelated heirs).
Local & County Taxes
Extensive local occupational license taxes apply in cities and counties across Kentucky (e.g., Louisville/Jefferson County levies 2.2%, Lexington/Fayette County levies 2.25%).
Worked Tax Example: $120,000 W-2 Earner in Kentucky
A single filer in Louisville earning $120,000 pays approximately $4,670 in Kentucky state income tax (3.89% effective) plus $2,640 in local Louisville occupational license tax (6.09% combined).
Calculate Your 2026 Kentucky Tax Liability
Enter your taxable income, filing status, and municipal details below to calculate your customized state tax liability and print your executive summary.
Single flat rate 3.50% (Tax Foundation 2026). Reciprocity with IL, IN, MI, OH, VA, WV, WI.
2026 Executive Kentucky State Tax Audit Summary
Not tax, legal, or financial advice
FiscTalk provides general educational information from public sources. Your tax results depend on the full set of facts, your filing history, and the jurisdiction-specific rules that shift yearly. Before filing or making decisions, consult a licensed CPA, EA, or attorney. FiscTalk is not a fiduciary and is not affiliated with the IRS or any state agency.
Sources & methodology
Frequently Asked Questions: Kentucky Taxes
Source-verified — not professional advice
Every figure on this page is checked in-house against its primary source — IRS revenue procedures and publications, state Departments of Revenue, and the text of the underlying statute — before publication. Last reviewed 2026-10-20. The full source list is at the bottom of this page. If you spot an error, see our corrections & standards policy.
Not tax, legal, or financial advice
FiscTalk provides general educational information from public sources. Your tax results depend on the full set of facts, your filing history, and the jurisdiction-specific rules that shift yearly. Before filing or making decisions, consult a licensed CPA, EA, or attorney. FiscTalk is not a fiduciary and is not affiliated with the IRS or any state agency.
Sources & methodology