Connecticut Income Tax Guide (2026)
Connecticut (CT) — wage income tax structure: progressive. Data status: simplified. Last verified 2026-07-20.
Calculator
Structure
progressive
Sample state tax*
$3,375.00
Marginal (state)
5.50%
Est. net after fed+FICA+state*
$58,217.50
*Illustrative single filer with $75,000 wages treated as AGI/taxable for state preview (no state deduction modeling). Federal uses the standard deduction. Not a filing worksheet.
Connecticut income tax rates and brackets
| Rate | Taxable income (single, cents→USD) |
|---|---|
| 2.00% | $0.00 – $10,000.00 |
| 4.50% | $10,000.01 – $50,000.00 |
| 5.50% | $50,000.01 – $100,000.00 |
| 6.00% | $100,000.01 – $200,000.00 |
| 6.50% | $200,000.01 – $250,000.00 |
| 6.90% | $250,000.01 – $500,000.00 |
| 6.99% | $500,000.01 and above |
Federal, state and FICA take-home breakdown
On the $75,000 single-filer sample: federal income tax $7,670.00, employee FICA $5,737.50, state income tax $3,375.00. Approximate taxable income after federal standard deduction ≈ $58,900 (federal only).
Notes and caveats
- Progressive brackets for TY2026. Joint thresholds are simplified (often ~2× single) unless noted; verify filing-status tables before filing. Top marginal rate ≈ 6.99%.
Official sources
Tax Foundation — 2026 state income tax rates and brackets . Always confirm with the Connecticut taxing agency before filing.