The complete guide
Michigan income tax rate 2026: an overview
Michigan taxes income at a flat 4.25% — a single rate that applies to every dollar of taxable income, regardless of how much you earn. Unlike the progressive federal system, Michigan has no brackets, and the calculation is simple: rate × taxable income.
The Michigan income tax is one of the simplest state taxes in the country to understand and one of the easiest to compute. A flat 4.25% is applied to your Michigan taxable income — which is your federal adjusted gross income, adjusted for Michigan’s specific rules, minus a $5,900 personal exemption per filer. This guide explains exactly how the rate works, what reduces your taxable income, and what the rate means for your take-home pay.
The flat rate, plain and simple
Michigan’s individual income tax is a flat 4.25% for the 2026 tax year. There are no brackets, no marginal rates and no phase-outs that change the percentage you pay. Every dollar of Michigan taxable income — from the first dollar to the last — is taxed at the same 4.25%.
That makes the state tax trivially easy to compute: take your Michigan taxable income and multiply by 0.0425. A taxable income of $50,000 produces state tax of $2,125. A taxable income of $100,000 produces $4,250. The ratio never changes.
The flat rate is worth emphasizing because it differs sharply from the federal system, where income is split into brackets and the marginal rate on your top dollars is much higher than the average rate on your total income. With Michigan’s flat rate, the marginal rate and the average rate are the same: 4.25%.
The $5,900 personal exemption
Before the 4.25% applies, every Michigan filer subtracts a personal exemption of $5,900 for the 2026 tax year. The exemption is per filer — a single person subtracts one $5,900 exemption; a married couple filing jointly subtracts two, for $11,800.
The exemption is the Michigan equivalent of a standard deduction, and it is what makes the effective rate lower than the headline 4.25% on the first dollars of income. Someone with $20,000 of adjusted gross income subtracts $5,900, leaving $14,100 taxable, and pays about $599 — an effective rate of about 3.0% of their gross.
There is no separate Michigan standard deduction in addition to the exemption; Michigan relies on the federal standard deduction when computing your federal AGI, then applies the Michigan exemption on top.
How Michigan taxable income is computed
The Michigan income tax starts from a familiar base: your federal adjusted gross income (AGI). Michigan then makes adjustments that add or subtract items where state law differs from federal law, and finally subtracts the $5,900 personal exemption per filer.
The most important subtraction for most workers is retirement and pension income. For people born after 1945, retirement income — including 401(k), 403(b), IRA and pension distributions — is excluded from Michigan taxable income up to $67,610 for single filers and $135,220 for married filing jointly in 2026.
Contributions to a traditional 401(k) or other employer retirement plan are deducted from your federal wages before AGI, so they automatically reduce your Michigan taxable income too. The same is true of pre-tax health insurance premiums. The practical effect is that your Michigan tax is computed on your wages after pre-tax retirement and health deductions.
A worked example at $50,000
Take a single filer earning $50,000 in wages with a 5% 401(k) contribution ($2,500) and $2,000 in pre-tax health premiums. Their federal AGI is $45,500. Subtract the $5,900 Michigan exemption, leaving Michigan taxable income of $39,600. At 4.25%, the state tax is about $1,683 a year.
Add FICA — 6.2% Social Security plus 1.45% Medicare on wages net of the health deduction but not the 401(k) — and the federal income tax after the $16,100 standard deduction, and the total withheld from a $50,000 salary in a non-taxing city is roughly $9,600 a year, leaving about $40,400 net.
In a standard 1% city, add another $500 for the city resident rate. Every layer is visible and verifiable — which is the whole point of using a calculator rather than guessing.
A worked example at $100,000
Now take a single filer earning $100,000 in wages with the same 5% 401(k) ($5,000) and $3,000 in pre-tax health. AGI is $92,000. Subtract the $5,900 exemption, leaving $86,100 taxable. At 4.25%, the state tax is about $3,659 a year.
Federal tax is much larger at this income — about $13,900 after the standard deduction and the progressive brackets, which peak at a 24% marginal rate in this range. FICA adds about $7,640, including the full 6.2% Social Security because the wage is under the $184,500 cap.
The striking point is that Michigan’s flat 4.25% is far smaller than the federal share at this income, yet still a meaningful annual amount. In a 1% city, another $1,000 goes to the city. The calculator shows all four lines and the exact net.
Why Michigan is considered a low-tax state
By national standards, Michigan’s income tax is moderate. The 4.25% flat rate is lower than California’s top bracket (over 13%), Oregon’s 9.9% top rate, and Minnesota’s 9.85%, but higher than states like Indiana (3.0%) and Pennsylvania (3.07%), which also use flat rates.
What pushes Michigan toward the low-tax side is the combination of the flat rate, the generous retirement exclusion, the untaxed Social Security, and the absence of an inheritance or estate tax. For retirees especially, Michigan is one of the most tax-friendly states in the country.
For wage earners, the property tax side is a different story — Michigan relies more heavily on property taxes — but for income earned from work, the 4.25% flat rate plus the exemption is a modest and predictable burden.
Michigan income tax vs. city income tax
The state’s 4.25% is separate from any city income tax. Michigan cities that levy a wage tax charge it on top of the state rate, with resident rates from 1% up to Detroit’s 2.4%.
A resident of a standard 1% city pays a combined state-plus-city rate of about 5.25% on their taxable wages. A Detroit resident pays a combined 6.65% — the highest combined state-plus-local income tax load in Michigan. A resident of Ann Arbor, Troy or any non-taxing city pays just the state’s 4.25%.
That is why a Michigan paycheck calculation is incomplete without the city layer. The state rate alone understates the true withholding for anyone who lives or works in a taxing city.
Withholding: what your employer takes
Employers withhold Michigan income tax from your paycheck based on the rate, your filing status, and the number of Michigan exemptions you claim on the W-4. The withholding is remitted to the Michigan Department of Treasury.
The state’s withholding table applies the 4.25% rate to your taxable wages with a withholding allowance structure that approximates the $5,900 personal exemption. Because the rate is flat, the withholding tracks your actual tax closely — most Michigan wage earners see a small refund or owe a small balance at filing time, rarely a large surprise in either direction.
If you want more withheld, you can adjust your allowances; if you want less withheld because you expect big deductions, you can claim more. The state’s 4.25% flat rate makes these adjustments easy to model with any calculator.
Filing your Michigan return
Michigan’s income tax return — Form MI-1040 — is due the same date as your federal return, typically April 15. If you only had wages, your employer’s withholding will almost always have covered the full tax, and the return simply reconciles the difference.
Most Michigan filers can e-file for free through the state’s MI-DOJO system, which pre-fills much of the return. The key numbers you’ll need: your federal AGI from the federal return, your Michigan exemptions, and any retirement income to claim under the phase-in exclusion.
If you owed tax on self-employment income, you made quarterly estimated payments during the year — the same schedule you use for federal estimates. The flat rate makes the quarterly math simple: 4.25% of projected net profit, minus the exemption.
Will the rate change?
Michigan’s 4.25% rate has been in place for a decade and is currently locked in place by a state law that ties the rate to a trigger. Under Michigan law, the income tax rate was scheduled to fall to 4.05% if general fund revenue growth exceeded inflation in the 2024–2025 fiscal year. State revenue came in below the trigger threshold for the first time, so the rate remained at 4.25% for 2025 and 2026.
The rate could drop to 4.05% in a future year if the revenue trigger is met again. Any change would flow straight through to every Michigan paycheck, and this site’s data file would be updated to reflect it.
For 2026 planning, the safe assumption is 4.25% — but it is worth checking the state Treasury’s withholding guidance each fall, because the rate and the $5,900 exemption are the two numbers that most affect your state withholding.
The bottom line
Michigan’s income tax is a flat 4.25% on taxable income, with a $5,900 exemption per filer and a generous retirement exclusion. It is computed on your federal AGI after adjustments, which means pre-tax retirement and health deductions lower your state bill.
For most workers, the state tax is a modest slice of withholding — typically 3% to 4% of gross at average incomes. Add FICA, federal, and a possible city tax, and the total withholding picture is what the calculator shows on every page of this site.
The flat rate is the reason Michigan math is so approachable: you can reproduce the state line on a napkin. The calculator reproduces the whole picture on screen.
How the flat rate compares across incomes
Because the rate is flat, Michigan taxes are a constant share of taxable income at every level — but the exemption makes the effective rate lower at the bottom and slightly higher at the top. A worker with $25,000 of adjusted gross income subtracts $5,900, leaving $19,100 taxable and paying about $812 — roughly 3.2% of gross. A worker with $200,000 subtracts the same $5,900 and pays about $8,249 — about 4.1% of gross.
The gap between those effective rates (3.2% vs 4.1%) comes entirely from the flat exemption, not from any progressive structure. This makes Michigan one of the most proportional state income taxes in the country, and it means two workers in the same city pay the same rate on their taxable dollars.
It also means high earners see a smaller relative benefit from pre-tax deductions than low earners would expect to value, dollar for dollar — the marginal saving is always exactly 4.25 cents per dollar of deduction.
Common mistakes when estimating your Michigan tax
The most common mistake is applying 4.25% to gross income instead of taxable income. On $70,000, the naive estimate is $2,975; the real number after the exemption and pre-tax deductions is closer to $2,440. The difference is about $535 a year.
The second mistake is forgetting the exemption for a married couple. Filing jointly with two exemptions shields $11,800 before the rate applies — double the single exemption, not one-and-a-half times.
The third mistake is treating the retirement exclusion as unavailable. For anyone born after 1945, retirement income up to $67,610 (single) is excluded, so a retired worker drawing $40,000 from a 401(k) owes nothing on it. People routinely overestimate their Michigan tax in retirement for exactly this reason.