LookbackGuide

← All states

New Mexico: social security tax

Whether your state taxes Social Security retirement benefits, and the income limits that decide who pays.

Single detailed source
Does the state tax Social Security?Yes, above income limits
How it worksExempt if AGI is $100,000 or less ($150,000 joint or head of household; $75,000 married filing separately). Taxed above that.

Federal tax on benefits is separate and depends on your total income. State rules are for tax year 2026 unless noted.

General information only, not legal, insurance or financial advice. Not affiliated with any government agency. Exceptions can apply. Confirm with the state agency, the court or a licensed professional in New Mexico.

How New Mexico compares

8 of 51 states and DC share this answer (Yes): Colorado, Connecticut, Minnesota, Montana, Rhode Island, Utah, Vermont.

Also for New Mexico: Medicaid long-term care in New Mexico · Small estate limits in New Mexico · Will and trust rules in New Mexico · Estate and inheritance tax in New Mexico · Common law marriage in New Mexico · Property tax rates in New Mexico · Medicaid expansion in New Mexico · Inheritance tax in New Mexico · All New Mexico rules on one page

How we checked this

The list of eight taxing states matches Kiplinger, AARP and other 2026 trackers. Income limits come from each state's revenue department instructions and statutes, as compiled by a state-source table reviewed October 30, 2026. Last checked: November 12, 2026. Laws change; confirm with the state agency or a licensed professional before acting.

Cross-checked sources agree   Checked on official source confirmed on a government, court or legislature site   Single detailed source one detailed table built from statutes or official data   Under review sources disagree; read the note and the law.