New Mexico State Tax Withholding Rates and Brackets

New Mexico state tax withholding comes out of your paycheck at graduated rates from 1.5% to 5.9%, applied across six brackets that shift with your filing status.¹ The amount your employer takes each pay period is an estimate of what you will owe on your New Mexico personal income tax return, based on your wages, the filing status you claimed, and the number of allowances on file. If too much is withheld, you get a refund; if too little, you owe, and possibly a penalty.

Current Rates and Brackets

New Mexico is a graduated-rate state, so only the dollars within each bracket are taxed at that bracket’s rate. The rates below took effect for tax years beginning on or after January 1, 2025.²

Single Filers

1.5% on the first $5,500
3.2% on income from $5,501 to $16,500
4.3% on income from $16,501 to $33,500
4.7% on income from $33,501 to $66,500
4.9% on income from $66,501 to $210,000
5.9% on income over $210,000

Married Filing Jointly, Head of Household, and Surviving Spouses

1.5% on the first $8,000
3.2% on income from $8,001 to $25,000
4.3% on income from $25,001 to $50,000
4.7% on income from $50,001 to $100,000
4.9% on income from $100,001 to $315,000
5.9% on income over $315,000

Married Filing Separately

1.5% on the first $4,000
3.2% on income from $4,001 to $12,500
4.3% on income from $12,501 to $25,000
4.7% on income from $25,001 to $50,000
4.9% on income from $50,001 to $157,500
5.9% on income over $157,500

Filing status matters a lot. A single filer hits 4.9% at $66,501; a couple filing jointly does not reach that rate until $100,001, and the top 5.9% rate starts at $210,000 for singles versus $315,000 for joint filers.² Your employer applies the withholding table that matches the filing status you selected on your W-4, and New Mexico uses the same filing status you use federally.³ The withholding tables themselves build in adjustments for standard deductions and allowances, so the dollar thresholds inside the calculation don’t line up exactly with the raw tax table, but the rate percentages are the same.

How the Paycheck Calculation Works

Every employer that withholds federal income tax must also withhold New Mexico state income tax.⁴ The state uses a percentage method rather than a flat lookup:

Your employer starts with the same taxable wage figure used for federal withholding, after removing pre-tax contributions to qualified retirement plans and health benefits.
Each allowance you claim reduces that taxable amount by a per-period figure: roughly $159.62 for biweekly pay, roughly $345.83 for monthly pay.
The remainder runs through the graduated table for your filing status and pay frequency.
Any additional flat dollar amount you requested on your W-4 gets added to the result.

Two quirks are worth knowing. First, New Mexico caps state withholding allowances at three, even if you claimed more federally.⁴ Second, if the total state withholding for an employee in a given month works out to less than one dollar, no withholding is required.

Bonuses and commissions get their own treatment. When your employer uses a flat percentage method for federal withholding on supplemental pay, New Mexico requires a corresponding flat-rate withholding for state purposes rather than blending the payment into your regular graduated calculation.⁴ The department also suggests that any extra dollar amount you request for state withholding be roughly one-quarter of whatever you have added on the federal side.

Setting or Changing Your Withholding

New Mexico does not publish its own state W-4. There is no Form NM-W-4. To set or change your state withholding, complete a copy of the federal Form W-4, write “For New Mexico State Withholding Only” across the top, and give it to your employer’s payroll department. Your employer keeps that copy in your personnel file separately from the W-4 that governs federal withholding.⁴

You are allowed to choose a different number of allowances for state purposes than you used federally. That flexibility is useful when your state and federal pictures don’t match, for instance when federal itemized deductions don’t carry over the same way at the state level and you want fewer state allowances to avoid coming up short. You can also use the form to request an additional flat dollar amount withheld each pay period, or to claim exempt status if you qualify.

If you never submit a New Mexico-marked W-4, most employers default to using your federal elections for both federal and state calculations. Common reasons to update your form include marriage or divorce, a second job, a significant raise, or a new child. Under federal rules, employers must implement a revised W-4 no later than the start of the first payroll period ending 30 or more days after they receive it.⁵ Check the state withholding line on your first pay stub after the change; if it doesn’t reflect what you expected, follow up with payroll before the discrepancy compounds.

When Withholding Doesn’t Apply

Native Americans Living and Working on Tribal Land

Wages earned by a Native American who both lives and works on their own tribal land are exempt from New Mexico income tax, and employers should not withhold state tax from those wages.⁶ The employee claims the exemption by marking exempt on their W-4. Both conditions must be met at the same time. A tribal member who lives on the reservation but commutes to work in Albuquerque would not qualify.

Nonresidents Working Briefly in the State

Employers are not required to withhold New Mexico income tax from a nonresident employee who works in the state for 15 or fewer days during the calendar year.⁶ Once the nonresident crosses the 15-day threshold, withholding applies.

Employees with No Tax Liability

You can claim exempt from state withholding if you had no New Mexico income tax liability last year and expect none this year. The claim has to be renewed with a new W-4 each year. Miss the renewal deadline your employer sets and withholding reverts to the default calculation as if you were single with no adjustments. Getting a refund last year because you overpaid is not the same as having had zero liability, so don’t confuse the two.

What Happens If Too Little Is Withheld

If you end the year with a shortfall, New Mexico can add two separate penalties on top of the tax you still owe.

The negligence penalty for failing to pay tax when due runs at 2% of the unpaid amount per month, or any fraction of a month, capped at 20% of the total tax due.⁷ Separately, if you were required to make estimated tax payments and underpaid, the state adds an underpayment penalty calculated using the interest rate specified in state law, applied to the shortfall for the period it remained unpaid.⁸ The estimated-payment rule reaches most people who have significant income outside of wages, such as rental income or self-employment earnings, where no employer is withholding on their behalf.

The straightforward defense is to keep withholding close to your actual liability throughout the year. If you work a second job, freelance on the side, or have investment gains, adding a flat additional amount on your state W-4 costs less than the penalties do.

1
New Mexico Taxation and Revenue Department. Wage Withholding Tax
2
Justia. New Mexico Code 7-2-7 – Individual Income Tax Rates
3
New Mexico Taxation and Revenue Department. Community Property, Divorce, Separation, and Your New Mexico Income Tax
4
New Mexico Taxation and Revenue Department. FYI-104 New Mexico Withholding Tax
5
Internal Revenue Service. Topic No. 753, Form W-4, Employees Withholding Certificate
6
New Mexico Taxation and Revenue Department. FYI-104 New Mexico Withholding Tax
7
Justia. New Mexico Code 7-1-69 – Civil Penalty for Failure to Pay Tax or File a Return
8
Justia. New Mexico Code 7-2-12.2 – Estimated Tax Due, Payment of Estimated Tax, Penalty