Updated September 5, 2026. Quick answer: Mostly no. Colorado residents age 65+ can subtract their entire taxable Social Security benefit; for tax years 2025 and later, residents 55-64 can also subtract all of it if their adjusted gross income is $75,000 or less (single) or $95,000 or less (joint); above those thresholds the subtraction stays capped at $20,000 shared with other pension income.
The state’s income tax schedule: the Colorado 2026 income tax rate (pending).
Related guides on this topic: Minnesota Estate Tax (2026).
More on Colorado: Transfer on Death Deed Colorado and When Is Probate Required in Colorado?
Confidence note: medium. This page is scoped to Social Security taxation specifically. For the state’s full retirement-tax picture (pensions, tax rates, estate and probate), see how Colorado taxes retirement income generally.
How Colorado taxes Social Security benefits
| State personal income tax | Yes |
|---|---|
| Social Security treatment | Partly taxed, income-dependent |
| How it works | Colo. Rev. Stat. § 39-22-104(4)(f) lets a filer age 55-64 subtract the lesser of $20,000 or their pension/annuity/Social Security income (for 2025 and later tax years the Colorado Dept. of Revenue says the full taxable Social Security benefit if adjusted gross income is $75,000 or less single or $95,000 or less joint); a filer 65 or older can subtract up to $24,000, and for 2022 and later tax years the Colorado Dept. of Revenue’s own guidance confirms that once a 65+ filer’s taxable Social Security alone exceeds $24,000, the full amount of that Social Security is subtractable regardless of the general cap; full exemption in practice for filers 65+. |
| Income threshold / phase-out | Age 55-64: for 2025 and later, the full taxable Social Security benefit if adjusted gross income is $75,000 or less (single) or $95,000 or less (joint); above that, the lesser of $20,000 or the combined pension/SS amount. Age 65+: subtract up to $24,000, or the full Social Security benefit if it alone exceeds $24,000. |
Coordinate this with your overall retirement plan
An adviser can help weigh how much of your Social Security income actually reaches you after state tax, whether the timing of other withdrawals affects that, and how it fits the rest of your plan, but that does not replace the numbers in your own return.
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Figures verified against the Colorado Dept. of Revenue Social Security topic page and 1 CCR 201-2 Rule 39-22-104(4)(f) (Cornell LII mirror) on September 29, 2026; the C.R.S. 39-22-104 statute text itself was not re-checked.
Statute and sources
Governing citation: Colo. Rev. Stat. § 39-22-104(4)(f); 1 CCR 201-2, Rule 39-22-104(4)(f).
- Code of Colorado Regulations 1 CCR 201-2, Rule 39-22-104(4)(f) (Cornell LII mirror of the official regulation)
- Colorado Dept. of Revenue, Income Tax Topics: Social Security, Pensions and Annuities
Read September 5, 2026.
Related: how Colorado taxes retirement income generally · does Colorado tax Roth conversions? · Roth conversion taxes, all 51 jurisdictions.
General information drawn from each state’s own published statutes and revenue-department guidance, not legal, tax or financial advice. Figures and exemption amounts are current as of the date in the quick answer, are set by state law, and can change by future legislation; any pending bill named on this page is not yet law. This page cannot see your own return, which governs. We are not a law firm, a tax adviser, or a fiduciary, and this is not personalized advice.