Kentucky Flat Income Tax in 2026
Kentucky charges one rate on all taxable income: 3.5%. The rate was 5% until 2022 and has come down in half point steps since then, each one tied to revenue tests in the 2022 tax law (HB 8).
Only a small amount escapes the tax. The 2026 standard deduction is $3,360, set each year by the Department of Revenue under KRS 141.081. Kentucky has no personal exemption, and its standard deduction is far below the federal $16,100.
Kentucky tax = (Wages − $3,360) × 3.5%
Worked Example on $52,000
Single filer, $52,000 salary, no local tax entered:
| Item | Per year | Per month |
|---|---|---|
| Gross pay | $52,000 | $4,333.33 |
| Federal income tax | $4,060 | $338.33 |
| Social Security | $3,224 | $268.67 |
| Medicare | $754 | $62.83 |
| Kentucky income tax | $1,702.40 | $141.87 |
| Net pay | $42,259.60 | $3,521.63 |
The state line is ($52,000 − $3,360) × 3.5% = $1,702.40. The Department of Revenue's own 2026 formula sheet uses the same steps: annual wages, minus the standard deduction, times 3.5%, divided by the number of pay periods.
Kentucky Local Occupational License Tax
Many Kentucky cities and counties levy an occupational license tax, a flat percentage of gross wages that the employer withholds. It has no standard deduction, so it applies from the first dollar.
- Louisville Metro: 2.2% for residents and 1.45% for people who live elsewhere but work in Jefferson County (Louisville Metro Revenue Commission).
- Other places: rates and rules differ by city, county and school district. Your pay stub or the local revenue office shows the rate that applies.
The calculator sets this field to 0 by default. Enter your rate to include it. With 2.2% on $52,000, the local line is $1,144 a year.
Kentucky Net Pay by Salary
A single filer with no local tax, at six salaries:
| Gross salary | Kentucky income tax | Net per year | Net per month |
|---|---|---|---|
| $30,000 | $932.40 | $25,352.60 | $2,112.72 |
| $42,000 | $1,352.40 | $34,574.60 | $2,881.22 |
| $52,000 | $1,702.40 | $42,259.60 | $3,521.63 |
| $70,000 | $2,332.40 | $55,742.60 | $4,645.22 |
| $90,000 | $3,032.40 | $69,112.60 | $5,759.38 |
| $125,000 | $4,257.40 | $92,446.10 | $7,703.84 |
Because the state rate is flat, Kentucky tax grows in a straight line with pay: each extra $1,000 costs $35 in state tax.
Kentucky Pay per Paycheck
$52,000 split over common schedules, before local tax:
| Pay frequency | Gross per paycheck | Net per paycheck |
|---|---|---|
| Weekly (52) | $1,000 | $812.68 |
| Biweekly (26) | $2,000 | $1,625.37 |
| Semimonthly (24) | $2,166.67 | $1,760.82 |
| Monthly (12) | $4,333.33 | $3,521.63 |
Employers in Kentucky use Form K-4 and the state formula, which gives every employee the same standard deduction, so most paychecks match the yearly figure closely.
Married Couples in Kentucky
Kentucky tax does not change with filing status in this calculator, because the state uses one standard deduction per earner rather than a larger joint amount. What changes is federal tax: a married single earner on $52,000 keeps $44,339.60, about $2,080 more than a single filer.
Couples in Kentucky may file separately on a combined return so that each spouse claims a standard deduction. The total state tax then depends on how income is split between you.
What Is and Is Not Taxed in Kentucky
- Taxed: wages, overtime, bonuses and tips, by the state at 3.5% and usually by the local occupational tax too.
- Not taxed by the state: traditional 401(k) deferrals and Section 125 health premiums. Local occupational taxes often do include 401(k) deferrals in the wage base.
- Social Security benefits: exempt from Kentucky income tax.
Kentucky Against Other Flat Tax States
Kentucky is one of several states with a single rate. At $52,000, a single filer pays this much in state tax and premiums in each:
| State | State taxes and premiums | Net per year |
|---|---|---|
| Kentucky | $1,702.40 | $42,259.60 |
| Louisiana | $1,173.75 | $42,788.25 |
| Michigan | $1,959.25 | $42,002.75 |
Kentucky's rate is the middle of the three, but its tiny $3,360 deduction means more of each paycheck is taxed than in Louisiana. Once a local occupational tax is added, a Kentucky worker in a city often pays more than the state line suggests.
Assumptions and Sources
- Standard deduction only; the family size tax credit for low incomes is not included.
- The local occupational tax is a flat rate on gross wages, with no cap. Some cities cap the wage base or tax only work done inside their limits.
- No school district utility tax or other local charges that are not taken from pay.
Sources: Kentucky Department of Revenue 2026 Withholding Formula; Louisville Metro Revenue Commission OL-3D instructions; IRS and Social Security Administration for federal figures. Rates for 2026.
Frequently Asked Questions
What is the Kentucky income tax rate for 2026?
A flat 3.5% of taxable income, down from 4% in 2025.
What is the Kentucky standard deduction in 2026?
$3,360, up from $3,270 in 2025.
How much is $52,000 after tax in Kentucky?
About $42,259.60 a year for a single filer with no local tax, or $41,115.60 for a Louisville Metro resident paying 2.2%.
Do I pay local tax on wages in Kentucky?
Often, yes. Many cities and counties charge an occupational license tax on gross wages. Enter its rate in the calculator to include it.
Is the gross to net calculator for KY different for Louisville?
The state tax is the same everywhere in Kentucky. Louisville adds a 2.2% resident rate, which you can enter in the local tax field.
Will Kentucky cut its rate again?
Further half point cuts are possible each year, but only when the revenue conditions in state law are met and the General Assembly approves them.
Does the calculator include the Louisville tax by default?
No. The local field starts at 0 so the result fits every part of the state. Type 2.2 for a Louisville Metro resident or 1.45 for a commuter into Jefferson County.