Estimate your New Mexico state income tax plus combined federal and NM state tax for 2026. 5.9% top rate.
New Mexico has progressive income tax from 1.7% to 5.9%. New Mexico does not tax Social Security benefits for residents below certain income levels. New Mexico offers a child tax credit and working families tax credit on state returns. Use the calculator above to estimate your combined federal and New Mexico state income tax for 2026. State tax figures use a simplified rate — for precise New Mexico state tax calculations, consult the New Mexico Department of Revenue or a licensed tax professional.
New Mexico has a 5.9% top rate state income tax for 2026. New Mexico has progressive income tax from 1.7% to 5.9%. New Mexico does not tax Social Security benefits for residents below certain income levels. New Mexico offers a child tax credit and working families tax credit on state returns. The state income tax is calculated separately from federal income tax and is paid through payroll withholding or quarterly estimated payments.
New Mexico has its own state standard deduction separate from the federal standard deduction ($15,750 single, $31,500 MFJ in 2026). For precise New Mexico state deduction amounts, consult the New Mexico Department of Revenue or a state tax professional.
New Mexico's 5.9% top rate state income tax can be compared to other states using our state tax calculator above. The U.S. average top marginal state income tax rate is approximately 5-6%. Nine states have no income tax at all (Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, Wyoming), while California has the highest at 13.3%.
New Mexico offers state tax credits and deductions that may reduce your state tax liability. Common state credits include earned income credits, child tax credits, and credits for the elderly. Consult the New Mexico Department of Revenue website or a licensed tax professional for credits specific to your situation and income level.
Use the calculator above. Enter your income and NM is pre-selected as your state. The calculator computes your 2026 federal income tax using the One Big Beautiful Bill Act brackets (10%-37%), adds your estimated New Mexico state income tax (5.9% top rate simplified), and displays your total tax burden, combined effective rate, and annual take-home pay. All calculations happen instantly in your browser.