South Carolina retirement tax guide

How South Carolina taxes retirement income in 2026

South Carolina excludes Social Security and changed its individual income-tax system for 2026: income below $30,000 is taxed at 1.99%, while the formula above $30,000 uses 5.21% minus $966. Qualifying retirement income can receive a deduction, and residents age 65 or older can use a broader age deduction subject to a combined limit.

2026 rate formula1.99% below $30,000; 5.21% less $966 above
Social SecurityExcluded from South Carolina income
Retirement deductionUp to $3,000; up to $10,000 at age 65+
Age 65+ deductionCombined individual limit generally reaches $15,000

Private, in-browser estimate

Test your retirement income in South Carolina

Change the annual income mix. Nothing is saved or uploaded, and the same deterministic tax engine powers the result and the full state map.

Rules year
2026

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Modeled annual South Carolina income tax

$100for this simplified retirement-income example
Modeled state-taxable income$5,000
Social Security included by state$0
Represented exclusions / deduction$60,000
Model status2026 bracket-and-deduction model
SCSouth Carolina$100
NCNorth Carolina$2,594

$2,494 less per year in South Carolina for this example.

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The engine represents the 2026 rate formula, SCIAD, Social Security exclusion, and a combined age-based deduction of up to $3,000 before 65 or $15,000 at 65+. The $15,000 figure represents the coordinated retirement and age-65 deductions; special military, survivor, disability, ownership, and filing details are omitted.

The short answer

South Carolina retirement income tax at a glance

South Carolina excludes Social Security and changed its individual income-tax system for 2026: income below $30,000 is taxed at 1.99%, while the formula above $30,000 uses 5.21% minus $966. Qualifying retirement income can receive a deduction, and residents age 65 or older can use a broader age deduction subject to a combined limit.

How South Carolina treats common retirement income

Income sourceSouth Carolina treatmentWhat that means
Social Security benefitsNot taxed by South CarolinaSocial Security and qualifying Railroad Retirement benefits taxed federally are subtracted for South Carolina.
Pensions and qualified retirement plansTaxable with available deductionsA taxpayer can deduct up to $3,000 of qualifying retirement income before 65 or up to $10,000 at 65 and older.
Traditional 401(k) and IRA withdrawalsGenerally taxable after deductionsQualifying distributions can enter the retirement deduction; remaining taxable income follows the 2026 rate formula.
Age 65 and older incomeAdditional general deductionResidents 65 or older can deduct up to $15,000 against income, reduced by their own claimed retirement deduction.
Military retirementSeparate full deduction may applySouth Carolina allows a separate military retirement deduction, which the general calculator does not identify or apply.

Engine-calculated example

A simple South Carolina retirement-income example

A married household, age 67, receives $36,000 in Social Security, $24,000 from a pension, withdraws $36,000 from traditional retirement accounts, and realizes $5,000 of taxable investment income.

$100modeled annual South Carolina income tax

The engine represents the 2026 rate formula, SCIAD, Social Security exclusion, and a combined age-based deduction of up to $3,000 before 65 or $15,000 at 65+. The $15,000 figure represents the coordinated retirement and age-65 deductions; special military, survivor, disability, ownership, and filing details are omitted.

What changed for South Carolina in 2026

H. 4216 replaced the prior individual rate schedule with a 1.99% rate below $30,000 and a formula of 5.21% of income minus $966 at $30,000 and above. It also created the South Carolina Income Adjusted Deduction, or SCIAD, in place of the federal standard deduction.

The SCIAD begins at $15,000 for single filers and $30,000 for married couples filing jointly but can be reduced by income under the statutory formula. The engine represents this phase-down so the public result is more useful than a single effective-rate shortcut.

How the retirement and age-65 deductions work together

A taxpayer receiving qualifying retirement income can deduct up to $3,000 before age 65 and up to $10,000 at 65 or older. A resident age 65 or older also has a general deduction of up to $15,000, but the taxpayer’s own retirement deduction reduces that broader amount.

For a typical age-65 household, the coordinated maximum is therefore up to $15,000 per qualifying person—not $10,000 plus another full $15,000. The engine models that combined ceiling. Survivor, military, disability, and spouse-ownership rules can produce a different filed result.

Why South Carolina and North Carolina can diverge

The two states exclude Social Security but use different rates and deductions. South Carolina’s age-based treatment can matter for pensions and traditional withdrawals, while North Carolina uses a flat rate and has the specialized Bailey protection for some government retirees.

Use the same household inputs to see the modeled income-tax difference, then add property and sales taxes, housing, insurance, healthcare, and family considerations. The full Snapshot connects the state result with federal tax, Medicare, withdrawals, and portfolio durability.

Compare South Carolina with other retirement states

Use the same income mix when comparing states. A lower modeled income-tax result is not a complete cost-of-living ranking.

Important scope boundary

State income tax is not the total cost of retirement

This page does not calculate property tax, sales tax, estate or inheritance tax, local income tax, homeowners insurance, healthcare, housing, transportation, or general cost of living. Those categories can outweigh the state-income-tax difference.

It also does not determine domicile, part-year residency, or whether a particular pension, military benefit, disability payment, trust, or business interest receives special treatment.

Methodology and review standard

The interactive calls the shared deterministic `stateTaxBreakdown()` function. It combines pension and traditional retirement withdrawals, represents taxable investment income, applies the selected filing status and age, and returns the modeled annual state tax, taxable base, exclusions, and deduction. It does not ask AI to calculate tax.

Rules are versioned and reviewed against official state guidance. When a final schedule or return-level feature is not represented, the limitation is shown beside the result rather than hidden behind a precise-looking number.

Read the full calculation methodology →

South Carolina retirement tax FAQ

Does South Carolina tax Social Security benefits?

No. Social Security benefits and qualifying Railroad Retirement benefits taxed federally are not subject to South Carolina individual income tax.

What are South Carolina’s individual income-tax rates for 2026?

For 2026, income below $30,000 is taxed at 1.99%. At $30,000 and above, the formula is 5.21% of income minus $966, before applicable deductions and credits.

How much retirement income can a South Carolina retiree deduct?

The general retirement-income deduction is up to $3,000 before age 65 and up to $10,000 at age 65 or older. A separate age-65 deduction can bring the coordinated individual limit to as much as $15,000.

Does the calculator include South Carolina military retirement deductions?

No. Military, survivor, disability, and other special-source deductions require details the quick calculator does not collect.

Official sources

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