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Tax year 2026 · state vs state

Idaho vs Kansas Income Tax Comparison (2026)

On a $75,000 salary (single filer, 2026), you pay $519 less state income tax a year in Idaho than in Kansas, which is about $43 a month. At $150,000 the gap is $729 in favor of Idaho.

Idaho: 5.3% flatKansas: up to 5.58%Updated October 10, 2026

Compare Idaho and Kansas for your income

Estimate for education only, not tax advice. 2026 federal and state rules, standard deductions, no local taxes. How we calculate.

State comparison

Comparing 2 states, sorted by lowest overall tax rate.

1Idaho

Lowest

21.7%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$2,867
Payroll tax (FICA)
$5,738
Total tax
$16,274
Net income (annual)
$58,726

2Kansas

22.4%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$3,385
Payroll tax (FICA)
$5,738
Total tax
$16,793
Net income (annual)
$58,207

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💰 Monthly breakdown

Your take-home pay, spread across the year

Idaho

Monthly gross$6,250
Monthly tax$1,356
Monthly take-home$4,894

Kansas

Monthly gross$6,250
Monthly tax$1,399
Monthly take-home$4,851

Estimates use 2026 federal and state rates, the standard deduction for your filing status and no local taxes. Rankings use state income tax only.

Idaho vs Kansas: how the two systems differ

IdahoKansas
Wage income taxFlat 5.3%Progressive, 2 brackets
Top rate5.3%5.58%
Lowest rate5.3%5.2%
Deductions and credits (single)$16,100 standard deduction$3,605 standard deduction, $9,160 personal exemption

State income tax and take-home pay at every salary

The same salary can leave you with different take-home pay depending on the state. This table applies each state’s 2026 rules to a single filer with no pre-tax contributions.

IncomeID state taxKS state taxDifferenceID take-homeKS take-home
$30,000$482$896$415 less in Idaho$25,803$25,389
$40,000$1,012$1,432$421 less in Idaho$33,308$32,888
$50,000$1,542$1,990$449 less in Idaho$40,813$40,365
$60,000$2,072$2,548$477 less in Idaho$48,318$47,842
$75,000$2,867$3,385$519 less in Idaho$58,726$58,207
$100,000$4,192$4,780$589 less in Idaho$74,988$74,400
$150,000$6,842$7,570$729 less in Idaho$106,949$106,221
$250,000$12,142$13,150$1,009 less in Idaho$171,040$170,032

Single filer, 2026, federal standard deduction. Take-home is after federal, state and payroll tax. No local taxes.

Married filing jointly

IncomeID state taxKS state taxDifferenceID take-homeKS take-home
$75,000$1,758$2,528$770 less in Idaho$62,864$62,094
$100,000$3,083$3,923$840 less in Idaho$81,627$80,787
$150,000$5,733$6,713$980 less in Idaho$117,452$116,472
$250,000$11,033$12,293$1,260 less in Idaho$186,435$185,175

Married filing jointly, 2026, federal standard deduction. Uses each state's joint brackets where they differ.

Does the lower-tax state change as income rises?

For a single filer, Idaho and Kansas charge the same state income tax (nothing) up to roughly $15,000 of income. Above that, Idaho is the lower-tax state.

Rates side by side

Idaho (single filers)

5.3%Over $4,811

Kansas (single filers)

5.2%Up to $23,000
5.58%Over $23,000

Full details for each state: Idaho income tax calculator and Kansas income tax calculator. Federal rates are on the 2026 federal tax brackets page.

Idaho vs Kansas FAQ

Which has lower income tax, Idaho or Kansas?+

Idaho is lower at $75,000: $2,867 of state income tax versus $3,385 in Kansas. At $150,000 it is $6,842 in Idaho and $7,570 in Kansas. For a single filer, Idaho and Kansas charge the same state income tax (nothing) up to roughly $15,000 of income. Above that, Idaho is the lower-tax state.

How much more do I keep on $100,000 in Idaho versus Kansas?+

A single filer keeping $74,988 a year in Idaho would keep $74,400 in Kansas after federal, state and payroll tax. The difference is $589 a year, or $49 a month.

How do the Idaho and Kansas income tax systems differ?+

Idaho uses a flat 5.3% rate; Kansas uses progressive rates up to 5.58%. State deductions and exemptions also differ, which changes how much income is taxed.

Are local taxes included in this Idaho vs Kansas comparison?+

No. It covers federal income tax, Social Security, Medicare and state income tax only. City, county, sales and property taxes are not included, and they can change the real cost of living in each state.

Should I move from Idaho to Kansas to save on taxes?+

State income tax is one cost among many. Property and sales taxes, housing, insurance and wages also differ, and you may owe tax to both states in the year you move. Use this comparison as one input and confirm details with a tax professional.

Sources

Last checked October 10, 2026. Confirm with your state tax agency before filing.

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Estimates for education only, not tax, legal or financial advice. Not a substitute for a tax professional or your state revenue department.