Utah · Retirement taxes · 2026
Is Social Security Taxable in Utah? The 2026 Credit, the Federal Rules & What Changed
Utah is one of a shrinking number of states that still taxes Social Security — but for most retirees a state credit erases the bill. The question is where your income lands.
The bottom line
- Utah taxes Social Security benefits — but a nonrefundable state credit can cancel that tax completely (Utah Code 59-10-1042).
- Starting with the 2026 tax year, the credit begins phasing out above $90,000 of modified AGI for joint filers and heads of household, $54,000 for single filers, and $45,000 married filing separately.
- Above those lines the credit drops 2.5¢ for every $1 of modified AGI — it fades, it doesn't fall off a cliff.
- Separately, the federal rules can tax up to 85% of your benefits once combined income tops $34,000 single / $44,000 joint (SSA).
If you're retiring on the Wasatch Front — or anywhere else in Utah — you've probably heard that Utah is one of the handful of states that still taxes Social Security. That's true, and it's also incomplete. Utah's Social Security benefits credit offsets the state tax on those benefits dollar for dollar, and the income thresholds for that credit went up for the 2026 tax year. Here's how the state and federal pieces actually fit together. This is educational only — not tax advice.
How Utah's Social Security credit works
Utah starts from your federal adjusted gross income, so any Social Security benefits that were taxable on your federal return follow you onto the Utah return. The state then gives you a nonrefundable credit (claimed on form TC-40A, Part 3, code AH) equal to Utah's flat income tax rate multiplied by the Social Security benefits included in your state taxable income. In other words: if you qualify for the full credit, the state tax on your Social Security is wiped out.
Two limits matter. First, it's nonrefundable — it can zero out your tax, but it won't pay you a refund beyond that, and you can't carry it forward or back. Second, it phases out as income rises.
Source: Utah Code §59-10-1042, "Nonrefundable tax credit for social security benefits," effective January 1, 2026 (amended by Chapter 182, 2025 General Session) — le.utah.gov. Credit mechanics and worksheet: Utah State Tax Commission — incometax.utah.gov/credits/ss-benefits.
What "modified adjusted gross income" means here
For this credit, Utah defines modified AGI as your adjusted gross income plus interest income that wasn't already in AGI (municipal bond interest, for example) plus certain state additions. That matters: tax-free muni interest doesn't help you dodge the phase-out — it counts.
What the phase-out looks like in dollars
Say a retired Salt Lake County couple files jointly and $24,000 of their Social Security benefits ends up in state taxable income. At Utah's flat rate of 4.5% (the rate for the 2025 tax year), the full credit is about $1,080 — exactly the state tax on those benefits. Because the credit shrinks by 2.5 cents per dollar of modified AGI above $90,000, here's how much of it survives at different income levels:
Illustration using the phase-out formula in Utah Code §59-10-1042(4) and a 4.5% state rate; assumes $24,000 of Social Security benefits included in state taxable income. Your figures depend on your own return, and Utah's flat rate has been adjusted several times in recent years — confirm the current rate at incometax.utah.gov.
The federal side: up to 85% of your benefits
Utah's credit only addresses the state tax. On the federal return, whether your benefits are taxed at all depends on "combined income" — adjusted gross income, plus nontaxable interest, plus half of your Social Security benefits (SSA).
| Filing status | None of your benefits taxable | Up to 50% taxable | Up to 85% taxable |
|---|---|---|---|
| Single | Under $25,000 | $25,000 – $34,000 | Over $34,000 |
| Married filing jointly | Under $32,000 | $32,000 – $44,000 | Over $44,000 |
Source: Social Security Administration, "Must I pay taxes on Social Security benefits?" — ssa.gov. These thresholds were set in 1983 and 1993 and are not indexed to inflation, which is why more retirees cross them every year.
The new federal deduction for people 65+
For tax years 2025 through 2028, taxpayers who are 65 or older may claim an additional deduction of up to $6,000 per person — $12,000 for a married couple when both qualify — and it's available whether you take the standard deduction or itemize. It phases out for modified AGI above $75,000 ($150,000 for joint filers), per the IRS.
One clarification worth making, because the headlines blurred it: this is a deduction, not an exemption for Social Security. It lowers taxable income, which for many households means little or no federal tax on their benefits — but the underlying rules above still apply, and the deduction is scheduled to expire after 2028.
What Utah retirees can actually do about it
1. Know which side of the line you're on
If your modified AGI is comfortably under $54,000 single / $90,000 joint, the Utah credit likely erases your state tax on Social Security and there's not much to manage. If you're near the line — or you have a big income event coming — the planning is worth doing.
2. Watch the income you control
Traditional IRA and 401(k) withdrawals, required minimum distributions, capital gains, and Roth conversions all land in AGI, and AGI drives both the Utah phase-out and the federal combined-income test. Roth withdrawals and (in most cases) proceeds treated as return of principal don't. Where a dollar comes from can matter as much as how many dollars you take.
3. Remember muni interest counts here
Tax-exempt interest is added back for both the Utah modified-AGI test and the federal combined-income test. It's not the shelter it looks like when Social Security is in the picture.
4. Coordinate with your claiming decision
When you start Social Security changes how much benefit income shows up on the return in each year — which is one more reason claiming age, withdrawal strategy, and taxes belong in the same conversation rather than three separate ones.
We help Utah households look at Social Security timing, withdrawals, and guaranteed income together — in plain English, with no pressure. We're not tax preparers, and we'll tell you when to loop yours in.
Talk to a planner →Frequently asked questions
Does Utah tax Social Security benefits?
Utah still includes Social Security benefits in state taxable income, but it offers a nonrefundable Social Security benefits credit (code AH) that can offset the state tax on those benefits entirely. For the 2026 tax year the full credit is available until modified adjusted gross income passes $54,000 for single filers, $45,000 for married filing separately, or $90,000 for joint filers and heads of household — then it phases out (Utah Code 59-10-1042).
How much is the Utah Social Security credit worth?
The credit equals Utah's flat income tax rate multiplied by the Social Security benefits included in your state taxable income. So if $24,000 of benefits are taxed and the rate is 4.5%, the full credit is about $1,080 — which cancels the state tax on those benefits. Above the income threshold, the credit is reduced by 2.5 cents for every $1 of modified AGI (Utah Code 59-10-1042(4)).
Can I claim both the Utah Social Security credit and the retirement credit?
No. Utah law does not allow you to claim the Social Security benefits credit (code AH) and the retirement credit (code 18) on the same return. The Utah State Tax Commission's worksheet walks through the calculation.
How much of my Social Security is taxable on the federal return?
It depends on 'combined income' — your adjusted gross income, plus nontaxable interest, plus half of your Social Security benefits. Up to 50% of benefits can be taxable once combined income passes $25,000 (single) or $32,000 (joint), and up to 85% once it passes $34,000 (single) or $44,000 (joint), per SSA. Those federal thresholds are not indexed to inflation.
Is there a new federal tax break for seniors?
Yes. For tax years 2025 through 2028, taxpayers age 65 or older may claim an additional deduction of up to $6,000 per person ($12,000 for a married couple where both qualify), available whether you take the standard deduction or itemize. It phases out above $75,000 of modified AGI ($150,000 joint), per the IRS. It is a deduction — it does not make Social Security untaxed.
Sources
- Utah Code §59-10-1042 — Nonrefundable tax credit for social security benefits, effective 1/1/2026 (thresholds $45,000 / $54,000 / $90,000; $0.025 reduction per $1 of modified AGI): le.utah.gov
- Utah State Tax Commission — Social Security Benefits Credit (code AH), worksheet and the rule against also claiming the retirement credit: incometax.utah.gov/credits/ss-benefits
- Utah State Tax Commission — Individual income tax rates: incometax.utah.gov/paying/tax-rates
- Social Security Administration — Must I pay taxes on Social Security benefits? (combined income; 50% and 85% thresholds): ssa.gov
- IRS — Check your eligibility for the new enhanced deduction for seniors ($6,000 per person 65+, 2025–2028; phase-out above $75,000 / $150,000): irs.gov
- IRS Publication 915 — Social Security and Equivalent Railroad Retirement Benefits: irs.gov/publications/p915
About this article. Written by the Utah Retirement Income Data Desk and reviewed by Brian Penner, Retirement income & long-term care planner. Educational only — not financial, tax, or legal advice, and not a substitute for a licensed tax professional who has seen your return. Utah Retirement Income is a licensed independent insurance agency (NPN 16493717) and is not a government agency, not affiliated with or endorsed by the Social Security Administration, the IRS, or the Utah State Tax Commission. Tax law and state rates change; confirm current figures at incometax.utah.gov, ssa.gov, and irs.gov.