Connecticut Salary & Paycheck Calculator 2026

Withholding on a Connecticut paycheck flows through Form CT-W4, the state's withholding certificate. CT runs a 7-bracket progressive schedule (2%, 4.5%, 5.5%, 6%, 6.5%, 6.9%, 6.99%), but the bigger paycheck wrinkle is that Connecticut grants no standard deduction of any kind — only an income-phased personal exemption of $15,000 single / $24,000 MFJ / $19,000 head of household, which steps down $1,000 for every $1,000 of Connecticut AGI above $30,000 / $48,000 / $38,000 and is gone entirely above $44,000 / $71,000 / $56,000 (Form CT-1040 TCS Table A). Above those thresholds, every dollar of Connecticut AGI is Connecticut taxable income. CT also imposes the 0.5% CTPFL (Paid Family Leave) tax fully on the employee — no employer share — capped at the SS wage base ($184,500 in 2026). No local income tax anywhere in Connecticut.

Take-home math at three tiers, Connecticut single filer 2026: $60,000 → about $5,020 federal + $4,590 FICA + $2,318 CT state (exemption already gone, but the Table E personal credit still cuts the bill 10%) + $300 CTPFL = $12,228 deductions, take-home $47,772 (80%). $100,000 → $13,170 federal + $7,650 FICA + $4,975 CT (no exemption, no credit) + $500 CTPFL = $26,295, take-home $73,705 (74%). $150,000 → $24,734 federal + $11,475 FICA + $8,225 CT + $750 CTPFL = $45,184, take-home $104,816 (70%). Connecticut's effective rates land between Massachusetts (5% flat) and New York (4%-10.9% progressive) — the personal-exemption phase-out makes the math noticeably worse at $80K-$130K than the headline schedule suggests.

Connecticut's tax-side complications come from the personal-exemption phase-out and the absence of a federal-conforming standard deduction. The 2024 rate cut (bottom brackets 3% → 2%, 5% → 4.5%) saves $300-$1,000/year for low-and-mid-income workers, but doesn't reach the upper brackets. Connecticut conforms to federal §401(k) pre-tax treatment, so deferrals reduce both federal and CT taxable wages cleanly. The state offers a partial Social Security exemption that fully exempts SS for couples with AGI under $100K (single under $75K), with phase-out above. Estate tax kicks in at the federal exemption level ($15M in 2026) — fewer Connecticut estates pay it now than under the prior $2M threshold. Property tax averages 1.79% effective — among the higher rates nationally.

The personal-exemption phase-out band sits lower than most Connecticut earners assume — $30,000-$44,000 single, $48,000-$71,000 MFJ — and inside it a pre-tax 401(k) or HSA dollar works twice: it escapes the marginal CT rate and restores $1,000 of exemption for every $1,000 deferred. Above the band that doubling is gone, but deferrals still pull Connecticut AGI down through the Table C add-back and Table D recapture thresholds, both of which key on AGI rather than on taxable income. A $24,500 401(k) deferral in the 5.5% CT bracket saves $1,348 in state tax. CT also offers a CHET 529 Plan deduction up to $5,000 single / $10,000 MFJ. Stamford-area NY commuters working in Manhattan should also evaluate the NY non-resident tax + CT credit interaction — NY rates exceed CT rates for most income tiers, so the CT credit usually zeroes out the CT bill on NY-sourced wages, but the mechanics need affirmative tracking on the CT-1040.