Ms State Tax 2025. This tool is freely available and is designed to help you. The 2025 tax rates and thresholds for both the mississippi state tax tables and federal tax tables are comprehensively integrated into the mississippi tax calculator for 2025.
Mississippi’s flat tax rate decreased for 2025 under state law, while its withholding formula was otherwise unchanged from 2023. Mississippi collects income tax at a set rate for every dollar made above $10,000.