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Tax year 2026 · state vs state

Idaho vs Massachusetts Income Tax Comparison (2026)

On a $75,000 salary (single filer, 2026), you pay $663 less state income tax a year in Idaho than in Massachusetts, which is about $55 a month. At $150,000 the gap is $438 in favor of Idaho.

Idaho: 5.3% flatMassachusetts: up to 9%Updated October 10, 2026

Compare Idaho and Massachusetts 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

2Massachusetts

22.6%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$3,530
Payroll tax (FICA)
$5,738
Total tax
$16,938
Net income (annual)
$58,063

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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

Massachusetts

Monthly gross$6,250
Monthly tax$1,411
Monthly take-home$4,839

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 Massachusetts: how the two systems differ

IdahoMassachusetts
Wage income taxFlat 5.3%Progressive, 2 brackets
Top rate5.3%9%
Lowest rate5.3%5%
Deductions and credits (single)$16,100 standard deduction$4,400 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 taxMA state taxDifferenceID take-homeMA take-home
$30,000$482$1,280$798 less in Idaho$25,803$25,005
$40,000$1,012$1,780$768 less in Idaho$33,308$32,540
$50,000$1,542$2,280$738 less in Idaho$40,813$40,075
$60,000$2,072$2,780$708 less in Idaho$48,318$47,610
$75,000$2,867$3,530$663 less in Idaho$58,726$58,063
$100,000$4,192$4,780$588 less in Idaho$74,988$74,400
$150,000$6,842$7,280$438 less in Idaho$106,949$106,511
$250,000$12,142$12,280$138 less in Idaho$171,040$170,902

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

Married filing jointly

IncomeID state taxMA state taxDifferenceID take-homeMA take-home
$75,000$1,758$3,310$1,552 less in Idaho$62,864$61,313
$100,000$3,083$4,560$1,477 less in Idaho$81,627$80,150
$150,000$5,733$7,060$1,327 less in Idaho$117,452$116,125
$250,000$11,033$12,060$1,027 less in Idaho$186,435$185,408

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 is the lower-tax state up to roughly $297,500 of income, and Massachusetts becomes the lower-tax state above that.

Rates side by side

Idaho (single filers)

5.3%Over $4,811

Massachusetts (single filers)

5%Up to $1,083,150
9%Over $1,083,150

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

Idaho vs Massachusetts FAQ

Which has lower income tax, Idaho or Massachusetts?+

Idaho is lower at $75,000: $2,867 of state income tax versus $3,530 in Massachusetts. At $150,000 it is $6,842 in Idaho and $7,280 in Massachusetts. For a single filer, Idaho is the lower-tax state up to roughly $297,500 of income, and Massachusetts becomes the lower-tax state above that.

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

A single filer keeping $74,988 a year in Idaho would keep $74,400 in Massachusetts after federal, state and payroll tax. The difference is $588 a year, or $49 a month.

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

Idaho uses a flat 5.3% rate; Massachusetts uses progressive rates up to 9%. State deductions and exemptions also differ, which changes how much income is taxed.

Are local taxes included in this Idaho vs Massachusetts 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 Massachusetts 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.