Income tax rule
Maine uses 5.8% to 9.15% progressive income tax rates in the current TaxGuide Pro calculator data.
Single example
$60,000 single taxable income -> about $3,790 state income tax before credits.
Joint example
$120,000 married filing jointly taxable income -> about $7,579 state income tax before credits.
Deductions and exemptions
Shows the potential itemized deduction impact.
Credits to review
Review dependent, household, income-based, and other Maine credits in the state credit finder, then confirm eligibility in official instructions.
Filing deadline
For a 2026 return filed in 2027, confirm the due date in published Maine instructions. State deadlines and disaster relief can differ from federal dates.
Refund processing
Maine does not guarantee one refund date for every return. E-filed, accurate returns with direct deposit are generally processed faster than paper or reviewed returns.