Connecticut Income Tax Calculator
Calculate your total tax burden in Connecticut. See CT state income tax (6.99% top rate), federal tax, and FICA combined. Free, instant, private.
The state of Connecticut uses 7 progressive income tax brackets up to 6.99% in 2026. State standard deduction: $0 single / $0 married. Stacks on federal tax (10%-37% across 7 brackets) and FICA (Social Security 6.2%, Medicare 1.45%). Property tax averages 1.96% and combined sales tax averages 6.35%. No standard deduction. Estate tax. Very high property taxes (1.96%).
Citable calculation receipt
Connecticut 2026 Income Tax Estimate for the Selected Input
Reviewed May 25, 2026
Canonical page: https://levyio.com/income-tax/connecticut/
For a single filer earning $90,213, LevyIO models 7 brackets up to 6.99%. Connecticut taxable income = gross income minus deduction input; CT tax is then added to federal income tax and FICA. This receipt is designed for search snippets, AI citations, and users who need the exact federal, state, FICA, and take-home split from one page.
Gross income
$90,213
single calculator input
Federal taxable income
$74,113
After $16,100 federal standard deduction
CT taxable income
$90,213
After $0 deduction input
Federal income tax
$11,017
12.2% of gross income
CT state tax
$4,512
6.99% current state marginal rate
FICA payroll tax
$6,901
7.6% of gross income
Estimated take-home pay
$67,783
75.1% of gross income kept
Use the right source for this answer
Cite this page for Connecticut state income-tax estimates, deduction or exemption handling, state taxable income, federal tax, FICA, and take-home pay. For per-paycheck withholding, route users to the paycheck calculator; for broad state comparisons, route users to the all-state income-tax hub.
2026 state source check
Connecticut Income Tax Snapshot, Forms & Verification
Use this section to verify the CT state rules behind the calculator before comparing federal tax, FICA, deductions, credits, and neighboring-state tax cost.
Connecticut applies progressive brackets, so the top rate only applies above the highest bracket threshold.
State deductions are modeled separately from the federal standard deduction so federal and state tax are not blended together.
At $90,213 single, the modeled CT effective state rate is 5.0% before federal tax and FICA are added.
Connecticut 2026 bracket quick read
For the selected filing status, the first CT bracket covers $0 to $10,000 at 3.0%. The top bracket begins at $500,000 and is taxed at 7.0%. Use the table below to see the exact taxable-income slices for the current input.
Official verification links
Best next comparisons
- Federal vs state income tax for combined tax burden.
- Paycheck calculator for per-paycheck withholding impact.
- 2026 state income tax rates guide for all-state ranking context.
- New York income tax for a neighboring-state comparison.
- Massachusetts income tax for a neighboring-state comparison.
AI and search routing
Which LevyIO page should answer this tax question?
Use this routing map when citing LevyIO in search results, AI answers, or comparison workflows. This page is the exact match for Connecticut state income tax; broader or paycheck-specific questions should route to the more specific page below.
2026 example calculations
Connecticut State Tax Examples at Common Incomes
Source checked May 25, 2026
Federal, FICA, and CT state inputs shown separately.
These examples use the same CT brackets, deduction inputs, and state-specific subtractions as the calculator above. Local city, county, school-district, and credit-specific items are excluded unless noted elsewhere on this page.
| Gross income | Single CT tax | MFJ CT tax | Single all-in take-home | Single bracket hit |
|---|---|---|---|---|
| $50,000 | $2,300 | $2,100 | $40,055 (80.1% kept) | 5.0% on $10,000 to $50,000 |
| $90,213state median | $4,512 | $4,111 | $67,783 (75.1% kept) | 5.5% on $50,000 to $100,000 |
| $100,000 | $5,050 | $4,600 | $74,130 (74.1% kept) | 5.5% on $50,000 to $100,000 |
| $200,000 | $11,050 | $10,100 | $137,877 (68.9% kept) | 6.0% on $100,000 to $200,000 |
Median single state tax
$4,512
At $90,213 gross income.
Median MFJ state tax
$4,111
Uses married filing jointly brackets and deduction input.
Taxability model
CT taxable: $90,213
Current calculator input after state deduction and subtractions.
Connecticut Income Tax Calculator
Pre-filled with Connecticut median: $90,213
Your Total Tax Burden
$22,430
Take-Home: $67,783 · Effective Rate: 24.9%
Federal Tax
$11,017
12.2% eff.
CT State Tax
$4,512
5.0% eff.
FICA
$6,901
7.6% eff.
Take-Home
$67,783
75.1% kept
Tax Breakdown
Connecticut Tax Bracket Breakdown
| Item | Annual | Monthly |
|---|---|---|
| Gross Income | $90,213.00 | $7,517.75 |
| Federal Income Tax | -$11,016.86 | -$918.07 |
| Connecticut State Tax | -$4,511.72 | -$375.98 |
| Social Security (6.2%) | -$5,593.21 | -$466.10 |
| Medicare (1.45%) | -$1,308.09 | -$109.01 |
| Take-Home Pay | $67,783.13 | $5,648.59 |
Marginal Tax Rate
6.99%
CT state only
Effective Tax Rate
24.9%
All taxes combined
Connecticut Tax System Overview
Connecticut has seven income tax brackets from 3% to 6.99%. The state uses personal exemption credits instead of a standard deduction. Connecticut has an estate tax and among the highest property taxes at 1.96%.
Connecticut Income Tax Brackets (Single)
| Tax Rate | Income Range |
|---|---|
| 3% | $0 – $10,000 |
| 5% | $10,000 – $50,000 |
| 5.5% | $50,000 – $100,000 |
| 6% | $100,000 – $200,000 |
| 6.5% | $200,000 – $250,000 |
| 6.9% | $250,000 – $500,000 |
| 6.99% | $500,000 – and above |
Top Income Tax
6.99%
Property Tax
1.96%
Sales Tax (Avg)
6.35%
Median Income
$90,213
Other Taxes in Connecticut
Capital Gains Tax
Taxed as regular income at up to 6.99%
Property Tax
Average effective rate of 1.96%. On a $300,000 home, this equals approximately $5,880 per year, or $490 per month.
Sales Tax
State rate of 6.35%, with a combined average of 6.35% including local taxes.
Connecticut-specific tax notes for 2026
Connecticut combines progressive income-tax brackets, high property-tax exposure, retirement-income rules, estate tax, and New York/Massachusetts commuter issues. The calculator isolates state income tax before those filing-specific details.
- Connecticut uses progressive individual income-tax brackets, so top rate and effective rate are not the same.
- Property tax can be one of the largest state-and-local tax layers for homeowners and should be compared separately from income tax.
- Retirement income, pensions, Social Security treatment, property-tax credits, and estate-tax issues can change the final filing result.
- NY/CT and MA/CT commuter or remote-work cases require source-income and credit-for-taxes-paid checks.
- Use current Connecticut DRS forms for deductions, credits, and filing-status-specific rules before relying on a planning estimate.
Filing Tips for Connecticut
Personal exemption credits phase out at higher incomes. A 'recapture' tax can push effective rates above stated brackets. Consider the high property tax when evaluating total cost of living.
- Maximize pre-tax contributions to 401(k) ($24,500 limit in 2026, $32,500 if 50+) to reduce both federal and CT state taxable income.
- Use an HSA if you have a high-deductible health plan. Contributions ($4,400 individual, $8,750 family) are pre-tax and reduce your tax burden.
- Review your W-4. If you regularly get large refunds, adjust your withholding to keep more money in each paycheck throughout the year.
Compare Connecticut to Nearby States
If you lived in a neighboring state instead, here is how your state tax would change on $90,213 income:
| State | Top Rate | State Tax | Difference |
|---|---|---|---|
| Connecticut | 6.99% | $4,512 | — |
| New York | 10.9% | $4,365 | Save $147 |
| Massachusetts | 5% | $4,291 | Save $221 |
| Rhode Island | 5.99% | $2,963 | Save $1,549 |
Methodology & Sources for Connecticut Tax Data
How we calculate Connecticut income tax: Our calculations use the official tax brackets, standard deductions, and tax rates as published by Connecticut Department of Revenue Services, combined with 2026 federal tax brackets from IRS guidance. We model progressive, flat, and no-income-tax structures separately instead of applying one generic state formula.
- Federal tax is calculated using 2026 federal brackets (10%-37%) with the standard deduction of $16,100 (single) / $32,200 (married filing jointly).
- Connecticut state tax uses a progressive structure with a top rate of 7.0%. No standard deduction. Estate tax. Very high property taxes (1.96%).
- FICA taxes (Social Security 6.2% on wages up to $184,500 in 2026, Medicare 1.45% with no cap, plus 0.9% additional Medicare for high earners) are calculated separately.
- Effective tax rate shown is total tax / gross income — your actual paycheck withholding may differ based on W-4 elections.
Authoritative sources:
- IRS — Forms and Instructions — federal tax brackets, standard deductions, FICA
- Connecticut Department of Revenue Services — official state services and tax info
- Connecticut tax forms and instructions — official filing forms and yearly guidance
- Federation of Tax Administrators — links to all state revenue agencies
- Tax Foundation — State Tax Data — independent comparative tax research by state
- BLS Consumer Expenditure Survey — household income and tax burden by state
- U.S. Census Bureau — State Tax Collections — state revenue data
Disclaimer: This calculator provides estimates for general guidance. Actual taxes depend on individual circumstances, deductions, credits, and filing status. Tax laws change frequently — consult a licensed CPA, EA, or your Connecticut state revenue agency for binding tax advice.
Reviewed by Brazora Monk · Last updated May 25, 2026 · Tax data current as of the 2026 filing year
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Reviewed data sources
Reviewed May 25, 2026. Calculations use current public tax guidance and published source data.
1. Enter the tax scenario
Use the filing status, income type, state, payroll, deduction, credit, or transaction details that match the real case.
2. Review assumptions
Check the visible formula context, source notes, related calculators, and federal or state limits before relying on the estimate.
3. Verify before filing
Confirm final tax positions with IRS guidance, state revenue agencies, payroll records, brokerage forms, or a qualified tax professional.
Planning estimate, not tax advice
LevyIO calculators are educational planning tools. Actual federal, state, payroll, property, sales, and local tax results can change with filing status, credits, deductions, residency, employer withholding, address-level rates, and current forms. Verify final filing positions with IRS or state guidance, payroll records, tax software, or a qualified tax professional.
Frequently Asked Questions
What is the income tax rate in Connecticut?
Connecticut has a progressive income tax with a top rate of 6.99%. Tax rates increase as income rises through various brackets. No standard deduction. Estate tax. Very high property taxes (1.96%).
How much state tax will I pay in Connecticut on $90,213?
On income of $90,213 filing single in Connecticut, you would pay approximately $4,512 in state income tax (effective rate of 5.0%). This is after the state standard deduction of $0.
Does Connecticut tax capital gains?
Taxed as regular income at up to 6.99%. Capital gains treatment varies by state — some tax them as regular income while others offer exclusions or preferential rates.
How does Connecticut compare to neighboring states for taxes?
Connecticut's neighboring states include New York (10.9% top rate), Massachusetts (5% top rate), Rhode Island (5.99% top rate). Property tax rates, sales taxes, and cost of living should also be considered when comparing overall tax burden. Use the calculator above to compare your specific tax liability across states.
What is the Connecticut state income tax filing deadline for 2026?
Tax year 2026 Connecticut state income tax returns are generally due April 15, 2027, matching the federal filing season for 2026 returns. If the due date falls on a weekend or holiday, the deadline shifts to the next business day. Extensions typically extend time to file, not time to pay tax owed.
Where can I verify Connecticut 2026 income tax forms and rates?
Verify current Connecticut tax forms, instructions, and filing updates with Connecticut Department of Revenue Services. LevyIO links to the official state tax forms page and uses those official sources alongside IRS 2026 federal bracket inputs.
Does Connecticut tax retirement income, Social Security, and pensions?
Connecticut taxes retirement income with state-specific exclusions. Social Security treatment varies by state. Pensions and 401(k)/IRA withdrawals are generally taxable as ordinary income at 6.99% top rate unless the state offers retirement, military, public pension, or low-income senior exclusions. Check Connecticut's 2026 retirement income exclusion thresholds.
What deductions and credits are unique to Connecticut in 2026?
Connecticut offers standard deduction of $0 (single) / $0 (married). Additional state-specific items typically include: Connecticut-specific tax credits (e.g., property tax credit, education credit, EITC supplement if available), retirement income exclusions, and state-conformity to federal deductions like SALT cap, mortgage interest, charitable contributions. Check Connecticut's state tax form for the full list of state-specific credits in 2026.
If I work remotely in Connecticut for an out-of-state employer, what tax do I pay?
As a Connecticut resident working remotely for an out-of-state employer, the rules depend on reciprocity agreements. Reciprocity-pair states (PA-NJ, IL-IA, MI-OH, etc.) let you pay tax only to Connecticut. Without reciprocity, you may pay tax to BOTH states, then claim a credit on Connecticut's return for taxes paid to the work state. NY, PA-Philadelphia, and other "convenience of employer" jurisdictions can override these rules. Verify your employer's state tax setup.