New Mexico Income Tax Calculator 2026
Estimate your 2026 New Mexico state and federal income tax. Includes New Mexico tax brackets, a worked dollar example, and filing tips.
Key Tax Facts: New Mexico
- Social Security exempt for those with income below $100,000 (single)
- Low-income comprehensive tax rebate available
- Gross Receipts Tax (GRT) replaces traditional sales tax
- Military retirement pay is fully exempt
New Mexico State Income Tax Overview
New Mexico uses a graduated income tax with five brackets ranging from 1.7% to 5.9% for 2024. Single filers reach the top rate on income above $157,000. New Mexico provides a standard deduction equal to the federal standard deduction and conforms broadly to federal income definitions. Social Security benefits are generally exempt from New Mexico income tax for residents with income below $100,000 for single filers and $150,000 for married couples. New Mexico also offers a low-income comprehensive tax rebate and a working families tax credit modeled on the federal Earned Income Tax Credit.
New Mexico Income Tax Brackets (2026) projected
These are the New Mexico state income tax brackets for single filers, carried forward from 2025 pending official 2026 figures. Only the income within each bracket is taxed at that rate -- not your entire income.
| Taxable Income | Tax Rate |
|---|---|
| $0 - $5,500 | 1.7% |
| $5,500 - $11,000 | 3.2% |
| $11,000 - $16,000 | 4.7% |
| $16,000 - $210,000 | 4.9% |
| Over $210,000 | 5.9% |
Source: New Mexico Taxation and Revenue Department. Brackets shown are for single filers. Married filing jointly thresholds may differ.
What a New Mexico Resident Actually Pays: A Worked Example
Your effective tax rate is almost always lower than your top bracket. Here is how the math works for a single filer earning $65,000.
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Frequently Asked Questions -- New Mexico Income Tax
Does New Mexico have a state income tax?
Yes. New Mexico imposes a state income tax with a top marginal rate of 5.9%. This is separate from your federal income tax obligation.
What is the New Mexico income tax rate for 2026?
New Mexico uses a graduated income tax system with rates from 1.7% to 5.9%. Only the income within each bracket is taxed at that bracket's rate -- not your entire income.
Do I have to file a New Mexico state tax return?
Most full-year New Mexico residents with income above the state filing threshold must file a state return. Check the New Mexico Taxation and Revenue Department for current thresholds and requirements.
How accurate is this New Mexico state tax estimate?
This is a planning estimate. The state result uses New Mexico's published brackets but does not account for all state deductions, credits, exemptions, or local taxes. Verify with official New Mexico tax forms or a qualified tax professional.
Does this calculator include federal income tax?
Yes. The results show your estimated New Mexico state income tax and your federal income tax using 2026 federal brackets (projected until the IRS publishes official 2026 figures) -- your full combined picture in one place.
Where can I find official New Mexico tax forms?
Official forms, instructions, and filing guidance are available at the New Mexico Taxation and Revenue Department.
What is the sales tax rate in New Mexico?
New Mexico's combined state and average local sales tax rate is 7.82%. This is separate from income tax and applies to most retail purchases -- use our sales tax calculator to check a specific purchase.
When are New Mexico 2026 state taxes due?
2026 taxes are generally filed in 2027. The New Mexico filing deadline is April 15, 2027, the same as the federal deadline.
Understanding Your New Mexico Tax Estimate
Your results combine two separate bills: federal tax owed to the IRS, and New Mexico state tax owed to the New Mexico Taxation and Revenue Department. The state return is filed separately from your federal Form 1040, with a state filing deadline of April 15. For the mechanics of how bracket math actually works -- why your effective rate is almost always lower than your top bracket -- see our marginal vs. effective tax rate guide.
Lowering Your New Mexico Bill
Pre-tax retirement contributions reduce your federal and New Mexico taxable income in the same move -- see our 401(k) contribution limits and HSA limits guides for the current caps. Beyond that, New Mexico-specific credits and deductions that don't exist at the federal level are listed at the New Mexico Taxation and Revenue Department -- worth checking, since these are easy to miss if you only look at federal guidance.
Combined Sales + Income Tax Picture
New Mexico's combined state-plus-average-local sales tax rate is 7.82%. If you're self-employed, that's an added layer on top of income tax -- our self-employment tax calculator covers the SE-specific piece separately.
Disclaimer: Estimates for educational purposes only. State tax results are approximations based on published bracket data and do not account for all deductions, credits, exemptions, local taxes, or individual situations. Not tax, legal, or financial advice. Consult the New Mexico Taxation and Revenue Department or a qualified tax professional for guidance specific to your situation.