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South Carolina income tax and brackets 2026

South Carolina taxes income at 2 rates in 2026, from 1.99% on the first $30,000 of a single filer's taxable income to 5.21% above $30,000. A single filer earning $75,000 in South Carolina owes about $10,327 in federal and state income tax, an effective rate of 13.8%.

Updated ·By the BooksGPT team·2026 rates
Your year
$a year
$a year
Deduction
$16,100 for single filers
Runs in your browser·2026 rates·What it leaves out
Income tax · 2026
See the brackets
$10,327for the year
Effective rate 13.8% of income
Federal income tax$7,67074.3%
South Carolina income tax$2,65725.7%
Taxable income
$58,900
Top federal rate
22%
Top South Carolina rate
5.21%

South Carolina tax brackets 2026

South Carolina brackets · 2026
1.99% to 5.21%
2 brackets
Your top bracket
5.21%
Average rate
3.8%
Taxable income
$69,540
How your $2,657 adds up
1.99% on the first $30,000$59722.5%
5.21% on the last $39,540$2,06077.5%
South Carolina brackets, single

South Carolina has not published 2026 forms, and its withholding tables still use the old rates.

South Carolina income tax brackets for 2026, single
RateTaxable incomeTax owed
1.99%$0 to $30,0001.99% of taxable income
5.21%YouOver $30,000$597.00 + 5.21% over $30,000

South Carolina at a glance

Income tax
1.99% to 5.21%
Standard deduction
$15,000
State payroll taxes
None
Local income tax
None
Sales tax
6%
2026 return due
Apr 15, 2027

How we work it out

  1. 1
    Income
    Your income for the year, less pre-tax retirement savings.
  2. 2
    Deduction
    The larger of the standard deduction and your itemized total.
  3. 3
    Federal brackets
    Each rate from 10% to 37% taxes only the income inside it.
  4. 4
    South Carolina
    South Carolina's own deduction and rates on the same income.
  5. 5
    Effective rate
    Your total tax divided by your income.

South Carolina income tax questions

What are the South Carolina tax brackets for 2026?
South Carolina has 2 brackets for single filers, from 1.99% on the first $30,000 of taxable income to 5.21% on income over $30,000.
How much income tax do I pay on $75,000 in South Carolina?
A single filer earning $75,000 owes about $7,670 in federal income tax and $2,657 in South Carolina income tax for 2026, $10,327 in all. That is 13.8% of income.
Why is my average rate lower than my tax bracket?
Each rate taxes only the income inside its bracket. A single filer with $69,540 of South Carolina taxable income is in the 5.21% bracket, but only the $39,540 above $30,000 pays 5.21%. The lower rates tax the rest, so the brackets come to $2,657, 3.8% on average.
What are the 2026 federal tax brackets?
Seven rates: 10%, 12%, 22%, 24%, 32%, 35% and 37%. The 37% rate starts above $640,600 for single filers and above $768,700 for married couples filing jointly.
Will South Carolina's brackets change?
H. 4216 (signed March 30, 2026, retroactive to January 1, 2026) replaced the 0% / 3% / 6% schedule with 1.99% on the first $30,000 and 5.21% above, and lets the top rate fall each year from 2027 if revenue grows at least 5%, until everything is taxed at 1.99%.
What is the 2026 standard deduction?
$16,100 for single filers, $32,200 for married couples filing jointly and $24,150 for heads of household. South Carolina's own is $15,000 for single filers.
Sources
Not final yet: south Carolina has not published 2026 forms, and its withholding tables still use the old rates.
Checked Oct 29, 2026. Estimates for planning, not tax advice.

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