New Mexico Tax Brackets Guide – New Mexico’s income tax system uses graduated tax brackets that determine how much state income tax you owe based on your taxable income and filing status. Whether you’re a resident filing your 2025 taxes in 2026, a part-year resident, or considering a move to the Land of Enchantment, understanding the New Mexico tax brackets is essential for accurate tax planning and avoiding surprises.
This comprehensive guide uses the latest data from the New Mexico Taxation and Revenue Department (TRD) and trusted sources like the Tax Foundation. It covers everything from current 2026 brackets to deductions, credits, filing tips, and more—optimized for U.S. taxpayers.
What Are New Mexico Tax Brackets?
New Mexico imposes a graduated (progressive) state income tax on residents and nonresidents with NM-sourced income. This means higher portions of your income are taxed at higher rates as your taxable income increases.
Unlike flat-tax states, NM has six brackets ranging from 1.5% to 5.9%. Your tax is calculated marginally—only the income within each bracket is taxed at that rate. Brackets are adjusted annually for inflation and differ by filing status (single, married filing jointly, etc.).
Key point for U.S. taxpayers: New Mexico starts with your federal adjusted gross income (FAGI) and applies state-specific adjustments, additions, and subtractions to arrive at NM taxable income. You may claim the federal standard deduction or itemized deductions (with NM modifications).
2026 New Mexico Income Tax Brackets
Here are the current 2026 New Mexico income tax brackets (inflation-adjusted). These apply to tax year 2025 returns filed in 2026 and remain in effect unless new legislation changes them.
Single Filers
| Taxable Income Over | But Not Over | Tax Rate | Tax Calculation |
|---|---|---|---|
| $0 | $5,500 | 1.50% | 1.50% of taxable income |
| $5,500 | $16,500 | 3.20% | $82.50 + 3.20% of excess over $5,500 |
| $16,500 | $33,500 | 4.30% | $434.50 + 4.30% of excess over $16,500 |
| $33,500 | $66,500 | 4.70% | $1,159.50 + 4.70% of excess over $33,500 |
| $66,500 | $210,000 | 4.90% | $2,749.50 + 4.90% of excess over $66,500 |
| $210,000 | — | 5.90% | $9,748.00 + 5.90% of excess over $210,000 |
Married Filing Jointly
| Taxable Income Over | But Not Over | Tax Rate | Tax Calculation |
|---|---|---|---|
| $0 | $8,000 | 1.50% | 1.50% of taxable income |
| $8,000 | $25,000 | 3.20% | $120 + 3.20% of excess over $8,000 |
| $25,000 | $50,000 | 4.30% | $664 + 4.30% of excess over $25,000 |
| $50,000 | $100,000 | 4.70% | $1,739 + 4.70% of excess over $50,000 |
| $100,000 | $315,000 | 4.90% | $4,089 + 4.90% of excess over $100,000 |
| $315,000 | — | 5.90% | $14,434 + 5.90% of excess over $315,000 |
Note: Head of Household brackets generally align with Married Filing Jointly. Married Filing Separately brackets are approximately half of Joint (e.g., first bracket $0–$4,000 at 1.50%). Always verify exact figures on your PIT-1 form or TRD website for your specific filing status.
The top rate of 5.9% applies only to income above $210,000 (single) or $315,000 (joint).
How New Mexico Taxable Income Is Calculated?
- Start with federal adjusted gross income (FAGI) from your Form 1040.
- Add NM-specific additions (e.g., certain federal deductions not allowed in NM).
- Subtract NM-specific deductions and exemptions (e.g., active-duty military pay is fully exempt).
- Apply the federal standard deduction ($16,100 single / $32,200 joint for 2026) or itemized deductions if beneficial.
- Claim the NM dependent deduction: $4,000 for all but one of your dependents.
Use Form PIT-1 and Schedule PIT-ADJ for adjustments. Nonresidents use Form PIT-B to allocate NM-sourced income only.
New Mexico Tax Deductions, Exemptions, and Credits
New Mexico offers several taxpayer-friendly breaks:
- Low-and middle-income exemption: Up to $2,500 per qualified exemption (income limits apply).
- Senior citizens (65+): Additional exemption up to $8,000 + medical care credit (up to $2,800 if unreimbursed medical expenses exceed $28,000).
- Centennial exemption for residents age 100+.
- Working Families Tax Credit (WFTC): Refundable credit equal to a percentage of your federal Earned Income Credit.
- Low-Income Comprehensive Tax Rebate (LICTR): For qualifying low-income residents.
- Property tax rebate and other credits for seniors and veterans.
These can significantly reduce or eliminate your NM tax liability.
Filing Requirements and Deadlines in New Mexico
- Who must file: Anyone required to file a federal return who is a NM resident, part-year resident, or nonresident with NM-sourced income.
- Form: PIT-1 (with PIT-B if needed).
- Deadline: Generally April 15, 2026 (or the next business day). Extensions to October 15 are available but do not extend payment due date.
- Electronic filing: Recommended via the Taxpayer Access Point (TAP) for faster refunds.
Military residents have special rules—active-duty pay is often exempt.
Other Taxes to Know in New Mexico
While income tax brackets get the most attention, be aware of:
- Gross Receipts Tax (GRT): NM’s version of sales tax—state rate 5.125% plus local rates (total can reach ~9%).
- Property taxes: Among the lowest in the U.S. (effective rate ~0.63%).
- No local income taxes anywhere in the state.
Frequently Asked Questions About New Mexico Tax Brackets
Are New Mexico tax brackets adjusted for inflation?
Yes—annually, per state law.
Does New Mexico tax Social Security?
Most seniors are exempt from state tax on Social Security benefits.
How does NM compare to federal tax brackets?
NM’s top rate (5.9%) is much lower than the federal top rate (37%), making it relatively competitive.
Can I file as Head of Household in New Mexico?
Yes—filing status matches your federal return, with brackets similar to Married Filing Jointly.
Final Tips for New Mexico Taxpayers
The New Mexico tax brackets for 2026 remain taxpayer-friendly after recent reforms that lowered rates for many middle-income households. Always double-check your numbers with the latest PIT-1 instructions or use tax software that supports NM filings. For personalized advice, consult a licensed tax professional or contact the New Mexico Taxation and Revenue Department directly.
Stay informed—tax laws can change. Bookmark the official TRD website for the most current forms and rates.
This article is for informational purposes only and is not tax advice. Tax rules are complex and subject to change.