Kentucky Paycheck Calculator: Estimate Your Take-Home Pay After Taxes

Kentucky Paycheck Calculator: What a Flat Tax Means for Your Take-Home

Whether you clock in at a Toyota assembly plant in Georgetown, run overnight shifts at UPS Worldport in Louisville, or handle patient rounds at Norton Healthcare, your paycheck follows the same framework. Kentucky’s income rate is flat — everyone pays 4% — which makes the state portion of your withholding more predictable than in places with tiered brackets. But predictable doesn’t necessarily mean simple: federal taxes, FICA, and local occupational taxes all play a part before your take-home pay is set.

In 2023, Kentucky’s workforce roughly totaled 1.95 million workers, marking a steady rise in jobs from the previous year. If you’re among them, the information below explains how each deduction applies and what it means for the amount you actually take home.

Understanding where every dollar goes on your paycheck isn’t always clear. Here’s how to read your Bluegrass State pay stub with confidence.

Disclaimer: This page is for informational purposes only and is not tax advice. Tax rules can change, and individual situations vary. For personal tax questions, consider speaking with a qualified tax professional.

How your Kentucky paycheck is calculated: A breakdown

For tax year 2025, Kentucky levies a flat rate tax of 4% on all taxable income. That rate stays the same whether you earn $30,000 or $300,000. It applies to taxable income after your deductions, not to your gross pay. Kentucky’s flat tax structure can be more predictable than a graduated system, but a pay stub still includes several layers working together. Breaking each one down can make the full picture easier to read.

Part 1: Your gross pay before deductions

Gross pay is everything you earn before any deductions come out. If you are an hourly worker, that means your regular hours plus any overtime. If you are salaried, it is your fixed pay for the period.

• Kentucky minimum wage: Kentucky’s current minimum wage is $7.25 per hour, effective since July 24, 2009. The state adopts the federal minimum wage by reference and adjusts automatically if the federal rate rises. No city or county in Kentucky has enacted a higher local floor.
• Tipped employees may receive a cash wage of $2.13 per hour, provided tips bring total compensation to at least $7.25. Workers under 20 may be paid $4.25 per hour during their first 90 consecutive calendar days.
• Overtime: Kentucky follows the federal standard. Any hours worked beyond 40 in a fixed workweek must be paid at 1.5x the regular rate under the Fair Labor Standards Act (FLSA).

Part 2: Federal withholding and Kentucky Form K-4

The W-4 tells your employer how much federal income tax to withhold from each paycheck. The current version uses dollar amounts rather than allowances, and it accounts for your filing status, income level, dependents, additional income sources, and any extra withholding you request.

In Kentucky, you will also complete Form K-4, Kentucky’s Withholding Certificate (Form 42A804, revised November 2024 for tax year 2025). This form is narrower in scope than the federal W-4. It does not set allowances or adjust for dependents. Its primary purpose is to document one of four exemptions: no prior-year tax liability, a Fort Campbell nonresident exemption, a nonresident military spouse exemption, or residency in a reciprocal state.

If none of those apply and you are not requesting additional withholding, your employer applies the flat 4% rate directly to your wages minus the prorated standard deduction. (In this scenario, the K-4 is not required.)

Part 3: Social Security and Medicare (FICA) withholding

Federal income tax withholding uses progressive brackets and is typically the largest single deduction on a paycheck. You can find the current IRS federal brackets here.

On top of federal income tax, Social Security and Medicare taxes (together called FICA — Federal Insurance Contributions Act) are withheld at set rates:

• Social Security: 6.2% of gross wages, matched by your employer
• Medicare: 1.45% of gross wages, matched by your employer

In addition, employers must withhold a 0.9% Additional Medicare tax once an employee’s wages exceed $200,000 in a calendar year, regardless of filing status. Final liability is reconciled at filing. This surcharge is not employer-matched.

In Kentucky, where Louisville and Lexington also levy local occupational taxes, FICA is one of several deductions stacking up before your take-home pay is calculated.

Part 4: Kentucky state income tax and its impacts

Kentucky puts a flat tax of 4% on all taxable income for 2025. That rate is applied after the standard deduction, not to your full gross pay.

Kentucky allows a $3,270 standard deduction for all filing statuses (an increase of $110 from 2024). Joint filers may each use the standard deduction if filing separately. There is no personal exemption. So a single filer earning $60,000 gross would have taxable income of approximately $56,730 after subtracting the standard deduction, and estimated Kentucky state income tax of approximately $2,269 at the 4% rate.

One additional note: Kentucky’s conformity date is December 31, 2024. Federal deductions introduced after that date under the One Big Beautiful Bill Act (OBBBA), including exclusions for overtime premium pay and tip income, do not apply to Kentucky returns for tax year 2025. Workers who receive overtime or tips may owe Kentucky tax on amounts that are federally excluded. This could result in a higher Kentucky tax balance at filing than expected.

For full year-by-year guidance, visit the Kentucky Department of Revenue site.

Note: Estimated taxes are illustrative only, assuming the tax year, filing status, and standard deductions/credits. All figures are estimates and may vary based on individual circumstances and time of filing.

Local taxes may apply

Kentucky has one of the most widespread local occupational tax systems in the country. As of January 2025, 87 of Kentucky’s 120 counties levy a local occupational license tax on payroll, with rates ranging from 0.50% to 2.50% and a median rate of 1.00%, according to the Kentucky Association of Counties (KACo)’s data brief, effective for tax year 2025.

Two major metros carry specific rates to know.

Effective tax year 2025, these taxes apply to wages earned within the jurisdiction, with no deductions or exemptions. In some cases, city and county taxes stack. A Louisville Metro resident working in Jeffersontown may owe 2.2% plus 1%, for a combined local rate of 3.2%. Remote workers generally owe the local occupational tax of their home jurisdiction, even when their employer is located elsewhere.

Where does your income fall in Kentucky? Median income overview

The state median household income gives workers a useful reference point for understanding where a typical Kentucky paycheck sits.

At the state median income of $64,526, a single filer would have taxable income of approximately $61,256 after subtracting the $3,270 standard deduction. At Kentucky’s flat 4% rate, that translates to an estimated $2,450 in annual Kentucky state income tax.

For context, Kentucky’s median sits approximately 21% below the national median of $81,604. That gap matters. For a workforce where a large share of jobs are hourly, every dollar of take-home pay can do real work. The flat rate means no surprises as income moves up modestly, but the local occupational taxes layered on top can meaningfully affect actual take-home pay, particularly for workers in Louisville and Lexington.

Note: Estimated taxes are illustrative only, assuming the tax year, filing status, and standard deductions/credits. All figures are estimates and may vary based on individual circumstances and time of filing.

4 ways your take-home pay can change

Your gross pay sets the ceiling, but several factors determine how much of it you actually keep. Here are four areas where your choices can make a measurable difference.

Why does take-home pay feel different in Kentucky?

For most Kentucky workers, the deductions on a pay stub look like this: federal income tax, FICA (6.2% Social Security + 1.45% Medicare), and Kentucky state income tax (flat 4%). That’s three main withholding lines before take-home pay is calculated.

Compared to states with no income tax (like Florida or Texas), workers in Kentucky still see an extra deduction for state tax, but it’s lower and simpler than high-tax states like California.

At the same gross salary, a Kentucky worker will typically take home slightly less than someone in a no-tax state, but more than someone in a high-tax state. Add Kentucky’s lower cost of living — average one-bedroom rent in Louisville is around $1,154 per month and gas is about $3.97 per gallon — and overall purchasing power can feel more balanced despite the state tax.