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New Mexico

State Income Tax

1.7–5.9%
Rate Range
Exempt
Social Security
2026-04-15
Filing Deadline
4 brackets
Structure

New Mexico imposes a state income tax using a graduated tax structure with 4 brackets ranging from 1.7% to 5.9%. The filing deadline is 2026-04-15. Social Security benefits are exempt from New Mexico state income tax. Retirement income is generally taxable. Social Security is exempt for most taxpayers. General retirement income exemption up to $2,500.

Full Tax Details

Has Income TaxYes
Tax Structure4 Brackets
Rate1.7–5.9%
Single Standard Deduction$14,600
Married Standard Deduction$29,200
Single Personal ExemptionN/A
Married Personal ExemptionN/A
Taxes Social SecurityExempt
Taxes Retirement IncomeYes
Filing Deadline2026-04-15

Retirement Income Details

Social Security is exempt for most taxpayers. General retirement income exemption up to $2,500.

How New Mexico Compares to Neighboring States

StateRateStructureSocial Security
New Mexico ★1.7–5.9%GraduatedExempt
Arizona2.5%FlatExempt
Colorado4.4%FlatExempt
Oklahoma0.25–4.75%GraduatedExempt
TexasNoneN/AExempt

Frequently Asked Questions — New Mexico Income Tax

Does New Mexico have a state income tax?

Yes. New Mexico has a state income tax with a graduated structure ranging from 1.7% to 5.9% across 4 brackets.

What is the New Mexico income tax rate?

New Mexico has a graduated income tax with 4 brackets. The lowest rate is 1.7% and the highest rate is 5.9%.

Is Social Security taxed in New Mexico?

No. New Mexico does not tax Social Security benefits, which can be significant for retirees living on fixed incomes.

Is retirement income taxed in New Mexico?

Yes. New Mexico generally taxes retirement income. Social Security is exempt for most taxpayers. General retirement income exemption up to $2,500.

When is the New Mexico income tax filing deadline?

The New Mexico state income tax filing deadline is 2026-04-15. You can file and pay through the official New Mexico Department of Revenue portal.

What is the standard deduction in New Mexico?

New Mexico's standard deduction is $14,600 for single filers and $29,200 for married filing jointly.

How does New Mexico income tax compare to neighboring states?

New Mexico's top rate of 5.9% is in the moderate range nationally. Use the comparison table above to see how neighboring states compare.

Official Payment Portal

New Mexico Department of Revenue

File & Pay →

Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.