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Maryland Bonus Tax Calculator

Estimate take-home pay on a bonus, using the federal flat-rate supplemental withholding method

Estimate only — not tax advice. Federal tax on the bonus uses the flat 22% supplemental withholding rate (37% on cumulative supplemental wages over $1,000,000/year) — the alternative "aggregate method" some employers use instead is not modeled. FICA and any state SDI/PFL are computed as the difference between your regular income with and without the bonus added, so the Social Security wage cap applies correctly. State tax on the bonus is a marginal-bracket estimate, not necessarily any special state supplemental rate. See methodology below for source and last-verified date.

How Maryland Paycheck Tax Is Calculated (2026)

Source: Comptroller of Maryland
Taxable income bracketRate
$0 – $1,0002%
$1,000 – $2,0003%
$2,000 – $3,0004%
$3,000 – $100,0004.75%
$100,000 – $125,0005%
$125,000 – $150,0005.25%
$150,000 – $250,0005.50%
$250,000 – $1,000,0005.75%
$1,000,000 – +6.50%

Standard deduction (single): $2,550, subtracted from gross income before applying brackets.

state_tax = marginal_bracket_tax(gross_income - 2550, brackets)

Federal Tax & FICA (shared across all states)

Filing statusStandard deduction
Single$16,100
Married Filing Jointly$32,200
Head of Household$24,150
Federal brackets (all filing statuses)10% / 12% / 22% / 24% / 32% / 35% / 37%
Social Security6.2% up to $184,500 wage base
Medicare1.45% on all wages, +0.9% above $200,000 single/HoH, $250,000 MFJ

⚠️ Maryland's married-filing-jointly and head-of-household state brackets have not yet been independently verified against the primary source above — this calculator uses Maryland's single-filer brackets as an estimate when those statuses are selected.

⚠️ Every Maryland county plus Baltimore City adds a local "piggyback" income tax of 1.75%-3.2% on the same return. Montgomery, Prince George's, Baltimore County, Baltimore City, Howard, Harford, and Charles Counties are now computed via the selector above (applied to the same MD taxable-income base as the state tax itself, not gross); the other 16 Maryland counties — including Anne Arundel and Frederick, which use tiered rather than flat local rates — are still not covered. Combined state+local can reach ~8.95% in the highest-rate counties.

Guideline version 2026-MD-v1 · Last verified 2026-07-26

Maryland Paycheck Calculator FAQ

What are Maryland's income tax brackets for 2026?

Maryland uses 9 marginal brackets ranging from 2% to 6.50%. Standard deduction: $2,550 for single filers.

How much is take-home pay on $65,000 in Maryland?

On a $65,000 gross salary, a single filer in Maryland takes home roughly $51,493.62/year (about $4,291.14/month) after federal tax, FICA, and state tax — before any local tax.

What deductions does Maryland apply before taxing my income?

Maryland applies a $2,550 standard deduction, before its marginal bracket schedule. See the "How Maryland Paycheck Tax Is Calculated" section above for the exact formula.

Does this estimate change if I'm married or have dependents?

This calculator uses single-filer figures only (v1 scope). Married filing jointly typically uses different federal and Maryland state brackets and a larger standard deduction — your actual take-home pay will differ. Dependents can also reduce federal withholding via the W-4. Check Comptroller of Maryland's married-filing-jointly tables for a precise figure.

Does this calculator include Maryland local or city income tax?

Every Maryland county plus Baltimore City adds a local "piggyback" income tax of 1.75%-3.2% on the same return — this is one of the largest local-tax gaps in this calculator. Combined state+local can reach ~8.95%. Not computed here; check your county's rate.

Methodology & Source

Maryland state tax figures sourced from Comptroller of Maryland (https://www.marylandtaxes.gov/), citing Md. Code, Tax-General § 10-105 — 2026 budget added a 6.5% top bracket over $1,000,000. Federal brackets, standard deductions (single/MFJ/HoH), and FICA constants sourced from the IRS (Revenue Procedure 2025-32; married-filing-jointly Additional Medicare threshold of $250,000 is a separate, unindexed statutory figure). Maryland's married-filing-jointly and head-of-household figures are not yet independently verified and currently fall back to single-filer brackets — see the caveat in the formula section above.

Local tax figures sourced from Comptroller of Maryland county income tax rate table. Rates cross-checked against two independent secondary sources 2026-07-29 (countrytaxcalc.com, statebystatetax.com); both agree exactly on the 7 counties listed except Carroll County (3.03% vs 3.05% — dropped from this list rather than guess between them). Anne Arundel and Frederick Counties were excluded entirely: both switched to a tiered/graduated local rate structure rather than a single flat rate, which this calculator's flat-rate model cannot represent without misleading users — they fall under "Other Maryland county" until a tiered option is built. Maryland has 23 counties total; only the 7 largest flat-rate counties are covered below.

Bonus federal withholding uses the flat supplemental-wage rate (22%, 37% above $1,000,000 cumulative supplemental wages/year), per IRS Publication 15 (Circular E), Employer's Tax Guide, 2026 edition — the alternative "aggregate method" is not modeled.

This is an estimate based on standard single-filer federal, FICA, and MD state calculations. Actual withholding may differ based on your W-4 elections, pre-tax deductions, and other factors.

Guideline version: 2026-MD-v1 · Effective: 2026-01-01 · Last verified: 2026-07-26