$69,150/yr
take-home on a $100,000 salary in South Carolina — after $6,200 state income tax (6.20%) and $24,650 federal + FICA.
The breakdown
$100,000 × ~17% federal effective + 7.65% FICA = $24,650 federal/payroll
+ $6,200 SC state income tax (6.20%, ~6.2% top (2025))
= $69,150/yr after tax
· Tax Foundation, “State Individual Income Tax Rates and Brackets, 2025” + state revenue departments. Modeled as an effective planning rate for a typical $80k–$160k filer — not a full bracket engine.