Massachusetts Income Tax Calculator 2026

How Massachusetts taxes income

Massachusetts runs 2 tax brackets, starting at 5.00% and reaching 9.00% on the highest incomes. The rates apply in slices: the first slice of your income is taxed at the lowest rate, the next slice at the next rate, and so on.

This is the part most people get wrong. Reaching the 9.00% bracket does not mean 9.00% of your income goes to Massachusetts — only the portion above $1,107,750 is taxed at that rate. On $85,000, Massachusetts actually takes $4,030, which is 4.74% of the whole salary.

Massachusetts has no standard deduction. It allows $4,400 per personal exemption, subtracted from income before the brackets apply.

How Massachusetts compares to the other 50

On $85,000, a single filer pays $4,030 in Massachusetts state income tax. That ranks 43rd out of 51 — toward the expensive end.

For scale: 9 states charge nothing at all, and at the other end Oregon takes $6,604 on the same salary.

Income tax is only one of the three big state taxes, though. A state with no income tax often has higher property tax, and a state with high income tax may have low property tax. Ranking states on this one number alone is the most common mistake in these comparisons.

What filing status changes in Massachusetts

On the same $85,000 salary, the four filing statuses do not produce the same bill. Filing single costs $20,403 in total tax; filing jointly costs $16,373, $4,030 less.

Part of that difference is federal and part is Massachusetts's own — its brackets and deduction differ by status. We have not yet confirmed Massachusetts's joint brackets against the state's own schedule, so the joint figure here is conservative and the result says so.

Head of household sits between the two at $17,481, and married filing separately at $20,403. Filing separately is almost never cheaper, but it exists for situations where the tax is not the deciding factor.

What $85,000 looks like in each paycheck

Annual figures are how tax is calculated, but not how anyone experiences it. Spread across the year, $85,000 in Massachusetts comes to $2,485 every two weeks after federal tax, FICA and Massachusetts state tax — from a gross of $3,269.

Paid monthly, that is $5,383 landing in your account against $7,083 gross. Paid weekly, $1,242 out of $1,635.

Your actual paycheck will differ from these because employers withhold on a schedule set by your W-4, not on your final tax bill. Over-withholding produces a refund; under-withholding produces a bill in April. Neither changes what you owe.

How to pay less tax in Massachusetts

The largest lever available to most employees is pre-tax retirement contributions. Putting $5,000 into a traditional 401(k) cuts the $85,000 bill by $1,733 in combined federal and Massachusetts tax. That money is not gone — it is yours, moved into a retirement account instead of a tax payment.

Push it to $10,000 and the saving rises to $3,465. At the 2026 contribution limit of $23,500, it reaches $7,643.

An HSA works the same way and is stronger still, because contributions avoid Social Security and Medicare as well as income tax. Both reduce your Massachusetts taxable income too, which is why the saving above is larger than the federal figure alone.

Who pays Massachusetts income tax

Residents of Massachusetts pay on all their income, wherever it was earned. Non-residents pay only on income sourced to Massachusetts — work physically performed there, property located there, business conducted there.

Part-year residents split the year, and the apportionment rules are genuinely fiddly. If you moved during 2026, this calculator will overstate or understate your Massachusetts bill depending on when you moved — it assumes a full year of residency.

Remote work has made this messier. Some states tax income based on where your employer is rather than where you sit, and a handful still apply a "convenience of the employer" rule. If you work across a state line, that question is worth answering before April.

Following $85,000 through the Massachusetts brackets

Start with $85,000 of salary. Massachusetts takes off a personal exemption of $4,400, which leaves $80,600 of taxable income.

That amount does not get taxed at one rate. It gets sliced: 5.00% on $80,600 of it ($4,030).

Add the slices together and the Massachusetts bill is $4,030. That is 4.74% of the original salary — not the 5.00% of the top slice. The gap between those two numbers is the single most misread thing in state tax.

Retirement income in Massachusetts

Massachusetts does not tax Social Security. It is one of 42 states plus the District that exempt benefits entirely — only eight still reach them in 2026.

What matters in Massachusetts is not how much retirement income you have but where it came from.

Massachusetts exempts contributory public pensions in full — the Commonwealth’s own plans, its cities and towns, and contributory federal plans. Pensions from ANOTHER state qualify only on reciprocity: you can deduct them if that state does not tax pensions paid to its residents from Massachusetts. Private pensions, 401(k)s and IRAs get no exemption at all.

We have not yet confirmed how Massachusetts treats military retirement pay. Thirty-seven states exempt it, so the odds are it is exempt here too, but we would rather say we have not checked than guess on your behalf.

The calculator above does not apply any of this — it models salary income with the standard deduction. If a meaningful share of your income is retirement income, treat that figure as an upper bound.

What this Massachusetts calculator leaves out

Being specific about the gaps is more useful than claiming there are none. This figure covers federal income tax, Social Security and Medicare, and Massachusetts state income tax on salary income, using the standard deduction.

itemised deductions beyond the standard one, credits such as the Child Tax Credit and the Earned Income Tax Credit, capital gains, dividends and other investment income, self-employment income and the tax that comes with it, the Alternative Minimum Tax — none of these are in the number above.

If your situation includes any of them, the result here is a starting point, not an answer. That is also why we publish which state figures we have checked against Massachusetts Department of Revenue and which we have not.

What has changed, and what changes next, in Massachusetts

Massachusetts is one of only five jurisdictions to have raised its top rate since 2021, against 23 that cut theirs. We have not yet loaded its full rate history.

Where Massachusetts sits against similar states

On $85,000, the states closest to Massachusetts are Illinois ($4,063), New York ($3,993), Virginia ($4,073). If you are weighing a move between any of these, state income tax is not the deciding factor — the gap is smaller than a single pay rise.

The nearest states that charge less are New York ($3,993), Alabama ($3,985), Kansas ($3,943) — a saving of up to $87 a year at this salary.

Just above sit Illinois ($4,063), Virginia ($4,073), District of Columbia ($4,257). And Oregon takes $6,604, $2,574 more than Massachusetts on the same salary.

What five different salaries actually cost in Massachusetts

The single most useful thing to see is how the total moves with income, because it does not move in a straight line. Here is the same calculation at five salaries, single filer, standard deduction:

$45,000 → $8,693 in tax (19.32%), leaving $36,308. $65,000 → $13,623 in tax (20.96%), leaving $51,378. $85,000 → $20,403 in tax (24.00%), leaving $64,598. $120,000 → $32,530 in tax (27.11%), leaving $87,470. $185,000 → $56,286 in tax (30.42%), leaving $128,715.

Between $45,000 and $185,000 the total rate rises by 11.1 points — from 19.32% to 30.42%. That is a smaller jump than most people expect from a salary that has more than quadrupled, and the reason is structural: federal brackets are marginal, so a raise never re-taxes what you already earned, and Social Security stops entirely above $184,500.

Look at the FICA line specifically. At $45,000 it is $3,443, which is 7.65% of gross — more than the $3,220 of federal income tax at that level. At $185,000 it is $14,122, or 7.63%. FICA is the tax that weighs most on modest incomes and least on large ones, and it is the one nobody talks about.

Your marginal rate is not what you pay

On $85,000 in Massachusetts the federal marginal rate is 22.00% — that is what the next dollar costs. What the whole salary actually cost in federal income tax is 11.61%, or $9,870. The gap between those two numbers is the single most misunderstood thing in US tax.

The reason is that brackets are marginal, not cliffs. Only the slice of income inside a bracket is taxed at that bracket's rate. The first $16,100 is not taxed at all, the next slice at 10.00%, and so on up. A pay rise that "pushes you into a higher bracket" never reduces your take-home — that fear is the practical cost of the confusion.

Massachusetts works the same way, with 2 brackets running from 5.00% to 9.00%. On this salary the state marginal rate is 5.00% and the state effective rate is 4.74%.

And there is a third rate that matters more than either: 24.00%, which is everything — federal, FICA, Massachusetts — as a share of gross. That is what actually left your pay. Never compare it against a marginal rate; they measure different things and the comparison suggests an error that is not there.

What your next $10,000 is actually worth here

Going from $85,000 to $95,000 in Massachusetts raises your tax by $3,465, so you keep $6,535 of the $10,000 — an effective rate on the raise of 34.65%. That is the number worth having in a salary negotiation, and it is not the same as either your bracket or your average rate.

Notice that it is higher than your overall effective rate of 24.00%. New income is always taxed at the top, so the marginal cost of a raise exceeds the average cost of everything you already earn. That is the whole point of a progressive system, and it is also why a bonus feels more heavily taxed than a salary — it is stacked on top.

Bonuses have a wrinkle of their own. Employers often withhold them at a flat supplemental rate rather than at your actual marginal rate, which can take more or less than you owe. It comes out right at filing either way, but it explains why a bonus payslip so often looks wrong.

With no local income tax in Massachusetts, the cost of the raise is entirely federal, FICA and Massachusetts.

Five ways this calculation goes wrong

Adding FICA to the withholding. Boxes 4 and 6 of your W-2 are Social Security and Medicare. They are not advance payments of income tax and never come back as a refund. Only box 2 (federal) and box 17 (state) belong in a refund calculation, and including the others overstates it by thousands.

Comparing the effective rate against the marginal rate. Here that would mean setting 24.00% against 22.00% and concluding something has gone wrong. Nothing has: the first includes payroll and state tax, the second is federal income tax on the next dollar. They measure different things.

Assuming a flat state is flat from the first dollar. Ohio taxes nothing below $27,350 of taxable income and Mississippi nothing below $10,000, yet both are widely published as simple flat rates. That single omission overstated Ohio's bill by 43% in the sources we checked.

Assuming your city takes a cut. Massachusetts does not levy an income tax, and only fifteen states permit any city to. Budgeting for one that does not exist is the mirror of the previous mistake.

Using last year's figures. Bracket thresholds, the standard deduction and several state rates are indexed and move every January. Worse, states backdate: Georgia cut its rate in May 2026 with effect from 1 January, so a table published in April was correct when written and wrong by summer. That is why every figure on this site carries the date it was checked.

Deadlines and what you actually have to file in Massachusetts

Federal returns for 2026 are due on 15 April 2027. An extension gives you until 15 October to FILE, but not to PAY — anything owed still accrues interest from April, which is the part people misread. If you expect to owe more than $1,000 beyond withholding, the IRS expects quarterly estimated payments rather than a single settlement.

Massachusetts generally follows the federal calendar, and most states accept the federal extension automatically rather than requiring their own form. Check before assuming: a handful require a separate request, and the penalty for getting it wrong is charged on a bill you may not know you have.

With no local income tax there is no third return to worry about, which is worth something on its own: in states like Ohio and Pennsylvania a working household can face three separate filings a year.

Whatever your situation, the figures on this page are for planning. They assume a salaried filer taking the standard deduction, and they do not model itemised deductions, self-employment income, capital gains, or credits such as the EITC that can change the answer substantially.

Where the Massachusetts figures come from

Federal brackets and the standard deduction come from the IRS Revenue Procedure for 2026, read off the document itself rather than a summary of it.

The Massachusetts figures have been checked against Massachusetts Department of Revenue. Where our original data was wrong, the page says so rather than quietly fixing it — because a calculator that has never admitted an error is either new or not looking.

Every figure carries the date we last verified it, and the full log is published rather than kept internally.

Massachusetts income tax questions

Does Massachusetts have a state income tax?

Yes. Massachusetts has 2 brackets, from 5.00% up to 9.00%.

How much is $85,000 after tax in Massachusetts?

A single filer earning $85,000 in Massachusetts keeps $64,598 for 2026. That is after $9,870 in federal income tax, $6,503 in Social Security and Medicare, and $4,030 in Massachusetts state tax — an effective rate of 24.00% across everything.

What is the top Massachusetts tax rate?

9.00%, and it applies only to taxable income above $1,107,750. Income below that threshold is taxed at the lower rates.

Why is my Massachusetts tax bill different from this estimate?

This estimate uses the standard deduction and no credits beyond it. Real returns often include state-specific credits, itemised deductions, retirement income exclusions. It is built for planning, not for filing.

How much do I take home per paycheck on $85,000 in Massachusetts?

Paid every two weeks, $2,485 after federal tax, FICA and Massachusetts tax, from a gross of $3,269. Paid monthly, $5,383.

Does contributing to a 401(k) reduce my Massachusetts tax?

Yes. Traditional 401(k) contributions come out before both federal and Massachusetts income tax. On $85,000, contributing $10,000 cuts your combined bill by $3,465.

Is it cheaper to file jointly in Massachusetts?

On $85,000, filing jointly costs $16,373 against $20,403 filing single — $4,030 less. Whether that holds for you depends on both incomes, not just one.