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Colorado: 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 works	Fully exempt at 65 and older. Ages 55 to 64: fully exempt if federal AGI is $75,000 or less ($95,000 joint); above that, up to $20,000 can be subtracted.

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 Colorado.

How Colorado compares

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

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