Kentucky income tax, by filing status

White plank fences over green pasture with horses grazing.

Tax year 2026

Tax on a $75,000 salary

$2,507

3.34% of pay, single filer

Against other states

31 of 51

1 takes the most

Top rate

3.5%

one rate on every taxed dollar

Tax-free first

$3,360

of income, single filer

What filing status changes in Kentucky

  • Filing status barely matters in Kentucky. There is one rate, about 3.5%, and it does not change when you marry. No band widens, so a couple is taxed as the sum of two individuals.
  • Kentucky reuses the single-filer bands for head of household. No separate table, no wider bands — the status does not move the state schedule.
  • In Kentucky the untaxed slice is $3,360 alone and $3,360 together. The relationship between those two figures is worth a second look before assuming it doubles.
  • With a single about 3.5% rate and no status-dependent widening, Kentucky's liability depends on total income and essentially nothing else. That is the simplest structure in the dataset, and it means the marriage-penalty question that dominates graduated states does not arise here at all.
  • No distinct head-of-household schedule exists in Kentucky; the single table applies. That is the majority treatment among income-taxing states, and it means head-of-household status is worth materially less at state level than the federal schedule would lead a filer to expect.
  • The Kentucky standard deduction is $3,360 single against $3,360 joint. Deduction ratios that are not exactly two are easy to overlook precisely because the deduction is the least-discussed term in a state schedule, yet it applies to every filer regardless of income.

Where the money goes

A $75,000 salary

  • Federal income tax$7,670
  • Social Security and Medicare$5,738
  • State income tax$2,507
  • Yours$59,085
Federal income tax10.23%$7,670
Social Security and Medicare7.65%$5,738
State income tax3.34%$2,507
Yours78.78%$59,085

Your next $1,000

A $75,000 salary

$669of the next $1,000 is yours
Federal, on the next dollar22%
Social Security and Medicare7.65%
State, on the next dollar3.5%
Taken from the next $1,000$332

Rates shown are federal, Social Security and Medicare, and state. Any local tax is inside the kept amount.

How this state ranks, at this income

A $75,000 salary

21st of 51on take-home pay
Take-home in Kentucky$59,085
Rank once local prices are leveledBEA price parity13th of 51
Most take-home at this incomeSouth Dakota · $61,593
Best once prices are leveledSouth Dakota

See how Kentucky taxes work

State income tax only — no city or county income tax is applied to any state here.

Your two tax rates

A $75,000 salary

On the next dollar — 33.15%Across all your pay — 21.22%
  • Next dollar33.15%
  • All your pay21.22%
On the next dollar33.15%
Across all your pay21.22%
The gap11.93%
Tax this year$15,915

The outer ring shows tax on your next dollar. The inner ring shows tax as a share of all your pay.

Which rung you are on

A $75,000 salary

22%federal, on your next dollar0-16100001610000-28500002850000-66500006650000-12180000 · you are here12180000-2178750021787500-2723250027232500-6567000065670000-topyou
This rung starts at$66,500
Next rung starts at$121,800
Room before it$46,800

Federal only, measured on gross pay — so the first rung is what the standard deduction covers.

Kentucky's ladder

A $75,000 salary

3.5%state, on your next dollar0-336000336000-top · you are hereyou
Rungs in this state2
Top rate begins$3,360

Measured on gross pay, so any state standard deduction shows as a 0% first rung.

What filing status is worth

A $75,000 salary

+$3,030more, at the best status for this incomeStatusTake-homesingle: → marriedFilingJointly: → marriedFilingSeparately: → headOfHousehold: →
Single$59,085
Married filing jointly$62,115
Married filing separately$59,085
Head of household$61,007

What each status computes to at this income. Which one you may use depends on your household.

The part never taxed

A $75,000 salary

  • Never taxed$16,100
  • Taxable$58,900
$16,100of pay the standard deduction covers
Share of your pay21.47%
Taxable after it$58,900

Federal income tax only. Social Security and Medicare start at the first dollar you earn.

The tax with a ceiling

A $75,000 salary

0Wage baseMedicare surtax
$109,500of pay before you clear it
Wage base$184,500
Social Security rate6.2%
Medicare surtax begins$200,000

Social Security stops at the wage base. Medicare does not, and gains a surtax higher up.

What no income tax costs instead

A $75,000 salary

left · incomeleft · salesleft · propertyright · incomeright · salesright · property
  • Income
  • Sales
  • Property
−$2,180a year in the average no-income-tax state
Income tax saved$2,507
Sales and property added$327
States with none9

Against the average of the states with no income tax. Stated assumptions: 30% spent taxably, a $300,000 home.

Kentucky, by when it bites

A $75,000 salary

1changes with a start date
2026-01-01Reduced the individual income tax rate from 4% to 3.5%.

Green moves a tax down, red moves it up, blue changes the structure without a clear direction.

Tax brackets — every filing status

Taxable incomeRate
Over $03.5%

What you'd actually owe, by filing status

Same gross income, four filing statuses. The gap between columns is entirely Kentucky's own schedule and deduction — federal tax and FICA are not included here.

Gross incomeSingleMarried filing jointlyHead of householdMarried filing separately
$50,000$1,632$1,632$1,632$1,632
$75,000$2,507$2,507$2,507$2,507
$100,000$3,382$3,382$3,382$3,382

Questions people ask

One rate for everyone — so does everyone pay the same share?

The rate is flat; the base is not. Deductions come out first and are worth more to a smaller salary, so two earners under about 3.5% still lose different shares — about 3.34% at a typical income.

Is there an amount this state does not tax at all?

There is a floor. A single filer's first $3,360 is untouched, between the standard deduction and any zero-rate opening band, and the schedule only bites above it.

Does getting married change what we owe here?

Not by itself. Every threshold doubles exactly for a joint return, so two people filing together face the same shape two single filers would. Kentucky is one of the states where marrying is neutral at state level.

Do the brackets change at all when we file together?

No — the thresholds are the same either way. Because the bands do not widen for a couple, combining two incomes on one return reaches each rate at exactly the point a single filer would.

Do two people get twice the allowance?

The allowance does not simply double: $3,360 single against $3,360 joint, which is less than two of the first.

Why does a single statutory rate produce differing effective rates?

A single statutory rate of about 3.5% applies to state taxable income after deductions and exemptions. Because those subtractions are largely fixed in dollar terms, effective rates rise with income; measured effective liability at the representative income is about 3.34%.

Where does state income tax liability begin here?

Liability commences above $3,360 for a single filer, comprising the standard deduction and any zero-rate opening bracket. Filers below that threshold owe no state income tax, though a return may still be required.

How does this state's joint schedule relate to the single schedule?

Kentucky's joint brackets are exactly twice the single brackets at every threshold, so the schedule is marriage-neutral. Aggregate liability depends only on combined income, not on how it is split between spouses. Federal treatment is separate and not necessarily neutral.

Why are joint and single thresholds identical here?

Kentucky applies identical bracket thresholds to single and joint filers. Combined income therefore reaches each marginal rate at the single-filer threshold, which is the strongest form of marriage penalty a graduated schedule can produce.

Why does the joint standard deduction not equal twice the single one?

The joint standard deduction of $3,360 is not twice the single deduction of $3,360, so the deduction itself contributes a marriage penalty independently of bracket structure.