Massachusetts Tax Tables for 2020
The 2020 Massachusetts Tax Tables summarise the state-level rules applied to wages, deductions, credits and taxable income. These tables match the rules used by the Massachusetts State Tax Calculator 2020.
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Massachusetts Tax Tables for 2020
The tables below outline the income tax structure, deduction amounts, state-level credits and payroll-related rules used for Massachusetts in 2020. Massachusetts applies a flat income tax to this filing status. All taxable income is taxed at the same rate, with no marginal brackets. This table shows the single rate used in calculations. To understand how flat tax tables differ from progressive systems, see our Tax Tables guide.
Single – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Single filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 5% |
Married filing jointly – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Married filing jointly filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 5% |
Married filing separately – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Married filing separately filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 5% |
Head of household – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Head of household filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 5% |
Widowed – Flat Income Tax (2020)
A single flat tax rate applies to all taxable income for Widowed filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 5% |
Massachusetts Standard Deduction(2020)
State-level standard deduction amounts for each filing status.
| Filing Status | Amount |
|---|---|
| Single | $0 |
| Married filing jointly | $0 |
| Married filing separately | $0 |
| Head of household | $0 |
| Widowed | $0 |
Massachusetts Tax Tables for Related Years
These related years are often reviewed together for comparing bracket changes, deductions and Massachusetts updates:
Frequently Asked Questions
College tuition deduction in MA
Certain undergraduate tuition payments may be deductible; enter amounts to reflect on state tax.
Do pre-tax 401(k) contributions lower MA tax?
Yes—traditional 401(k) deferrals generally reduce MA taxable wages.
Monthly table looks too smooth
We show a clean 1/12 split; employer calendars/rounding cause small differences per month.
Quarterly estimates vs extra withholding
Either can work; use “Additional MA withholding” to target your preferred refund/due outcome.
Credit for taxes paid to another state
MA offers a credit to mitigate double taxation when conditions are met; enable it for cross-border situations.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.