Mississippi Withholding Analyzer 2026
Are you over-withholding or under-withholding in Mississippi (MS)? Mississippi has a 4.7% flat state income tax. Enter your pay stub details to compare your year-to-date withholding against your projected tax liability and get actionable W-4 recommendations.
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How Withholding Works in Mississippi
Mississippi has a flat income tax rate of 4.7%. Your employer withholds this percentage from every paycheck in addition to federal income tax and FICA. Because the rate is flat, state withholding in Mississippi is generally straightforward and less likely to result in large over- or under-withholding compared to progressive-rate states.
The most common reasons for withholding mismatches in Mississippi include having multiple income sources, significant itemized deductions, large capital gains or investment income not subject to withholding, or mid-year changes in employment. If any of these apply, review your state withholding form alongside your federal W-4.
Mississippi's standard deduction of $2,300 (single) or $4,600 (married) is factored into your withholding calculation. If your actual deductions differ significantly, your withholding may be off.
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