How to Use Kentucky Income Tax Calculator Online
Kentucky individual income tax is administered by the Kentucky Department of Revenue (DOR). Under landmark tax reform legislation enacted in House Bill 8 and House Bill 1, the Commonwealth of Kentucky restructured its income tax code into a single, pro-growth 4.00% flat individual income tax rate. Combined with local occupational license taxes in major municipalities (such as Louisville Metro 2.20% and Lexington 2.25%), generous $31,110 senior retirement exclusions, and full Social Security tax exemptions, understanding your net take-home salary requires multi-layer modeling. Try & Tool's Kentucky Income Tax Calculator accurately computes your exact DOR state tax liability, local occupational taxes, IRS federal taxes, FICA payroll withholdings (Social Security & Medicare), and net take-home salary across 5 verified tax years (2022 to 2026).
Enter Gross Salary or Hourly Compensation
Input your gross annual salary or hourly/monthly wage rate and select your pay period (Weekly, Bi-Weekly, Semi-Monthly, Monthly, or Annual).
Select Tax Filing Year, Status & City / County
Choose tax years 2022 through 2026, select your filing status (Single, Married Filing Jointly, Married Filing Separately, or Head of Household), and enter your municipality (e.g. Louisville, Lexington, Covington) for local occupational tax modeling.
Review Kentucky Flat Rate (4.00%), Local Taxes & FICA
The engine automatically calculates Kentucky's 4.00% flat state rate, applicable local occupational taxes (e.g., Louisville 2.20%), and statutory FICA taxes (6.2% Social Security up to $176,100 cap and 1.45% Medicare).
Add Pre-Tax Deductions & Review Net Paycheck
Include 401(k), 403(b), Traditional IRA, HSA, or FSA pre-tax contributions to see your immediate federal, state, and local tax savings and complete paycheck breakdown.
1. Kentucky 4.00% Flat State Income Tax Reform (HB 8 & HB 1)
Under House Bill 8 and House Bill 1, Kentucky transitioned from historical graduated brackets into a simplified flat individual income tax structure:
- Historical Progression: Kentucky levied a 5.00% flat rate in 2022, reduced it to 4.50% in 2023, and lowered it to 4.00% for 2024, 2025, and 2026.
- Statutory Triggers: Future rate reductions of 0.50% (toward 3.50% and 3.00%) are contingent on state budget reserve trust funds and general fund revenue conditions.
- Uniform State Base: Applied equally to all Kentucky taxable net wage income above standard deductions.
2. Kentucky Local Occupational License Taxes (City & County Wage Taxes)
In Kentucky, local governments fund municipal services and public schools through local occupational license fees levied on earned compensation:
- Louisville / Jefferson County: 2.20% total (1.45% Louisville Metro + 0.75% Jefferson County Public Schools).
- Lexington / Fayette County: 2.25% occupational license fee.
- Covington / Kenton County: 2.50% city occupational tax.
- Other Metro Areas: Frankfort (1.95%), Bowling Green (1.85%), Owensboro (1.78%), and Florence (2.00%).
- Workplace Sourcing: Local occupational taxes are generally withheld based on where the work is physically performed.
3. Kentucky Standard Deductions & Family Size Tax Credits
Kentucky provides standard deductions and low-income credits on Form 740:
- Standard Deductions: $3,160 for Single and Married Filing Separately, and $6,320 for Married Filing Jointly (adjusted annually for CPI inflation).
- Family Size Tax Credit: Provides a 10% to 100% tax credit for working families with income within 133% of federal poverty guidelines.
- Child & Dependent Care Credit: Matches 20% of the allowable federal credit on Kentucky returns.
4. Generous Senior Retirement Exclusion ($31,110 Per Taxpayer)
Kentucky ranks among the most tax-friendly states for retirees in the South and Midwest:
- Pension & Retirement Exclusion: Taxpayers can exclude up to $31,110 per person ($62,220 for a married couple) of qualifying retirement distributions from company pensions, 401(k), 403(b), and IRAs on Schedule M.
- Social Security Exemption: 100% exempt from Kentucky state income tax.
- Military Retirement Pay: 100% exempt for US military retirees regardless of age or income.
5. Kentucky vs. Border States Multi-State Comparison (TN, IN, OH, VA, MO, IL)
For workers and remote professionals comparing living and working costs across the Ohio Valley and Upper South:
- vs. Tennessee (0% State Wage Tax): Tennessee levies no state tax on earned wages.
- vs. Indiana (3.00% State + County LIT): Indiana has a lower state base rate (3.00%), but county LIT brings total rates to 4.5% to 5.2%.
- vs. Ohio (Up to 3.50% State + Municipal RITA Taxes): Combined state and city rates are similar between Kentucky and Ohio metros (e.g. Covington/Cincinnati).
- vs. Illinois (4.95% Flat): Kentucky's 4.00% state rate is lower than Illinois's 4.95% flat rate.
- vs. Virginia (Up to 5.75%): Kentucky offers a lower top marginal rate of 4.00%.
Kentucky (State + Local) vs. Border States Take-Home Pay Comparison ($100,000 Salary)
| State / Jurisdiction | State & Local Income Tax Rate | Est. State & Local Tax | Est. Federal & FICA Tax | Total Net Take-Home Pay | Difference vs Louisville |
|---|---|---|---|---|---|
| Kentucky (KY - Louisville) | 4.00% State + 2.20% Local | $6,070 | $21,810 | $72,120 | Baseline ($0) |
| Kentucky (KY - Non-Metro / 0% Local) | 4.00% State Only | $3,870 | $21,810 | $74,320 | +$2,200 in Rural KY |
| Tennessee (TN) | 0.0% (No State Tax) | $0 | $21,810 | $78,190 | +$6,070 in TN |
| Indiana (IN - Clark/Floyd Co.) | 3.00% State + 2.00% County | $4,850 | $21,810 | $73,340 | +$1,220 in Southern IN |
| Ohio (OH - Cincinnati) | 3.50% State + 1.80% City | $5,150 | $21,810 | $73,040 | +$920 in Cincinnati |
| Virginia (VA) | Graduated up to 5.75% | $5,260 | $21,810 | $72,930 | +$810 in VA |
| Illinois (IL) | 4.95% Flat Rate | $4,815 | $21,810 | $73,375 | +$1,255 in Illinois |