Connecticut income tax, by filing status
Tax year 2026
Tax on a $75,000 salary
$3,375
4.5% of pay, single filer
Against other states
12 of 51
1 takes the most
Top rate
6.99%
on the highest incomes only
Tax-free first
$0
of income, single filer
What filing status changes in Connecticut
- Good news for couples in Connecticut: the bands double. All 7 of them are twice as wide on a joint return, so two people together are treated like two people.
- Connecticut gives head of household its own schedule, sitting between the single and joint tables. If you are raising children alone, filing under the wrong status costs you real money here.
- There is no state standard deduction in Connecticut. Nothing is set aside before the rate applies, and that is true for every filing status.
- Every threshold in Connecticut's 7-band schedule doubles for joint filers, leaving the effective per-person position unchanged by marriage and the top rate at about 6.99%. This is the treatment the federal schedule uses for most of its range, which is probably why it is widely assumed to be standard at state level. It is not.
- Connecticut publishes a distinct head-of-household bracket schedule rather than reusing the single table. The thresholds sit between the single and joint schedules, so status selection is consequential — a qualifying filer who defaults to single overpays, and the difference is invisible in any comparison that tabulates single rates only.
- No standard deduction is available in Connecticut, so the state's effective and statutory rates converge quickly as income rises and diverge very little at the bottom. Comparing this state's headline rate against one that shelters several thousand dollars understates the difference for anyone on a modest income.
Where the money goes
A $75,000 salary
- Federal income tax$7,670
- Social Security and Medicare$5,738
- State income tax$3,375
- Yours$58,218
| Federal income tax10.23% | $7,670 |
|---|---|
| Social Security and Medicare7.65% | $5,738 |
| State income tax4.5% | $3,375 |
| Yours77.62% | $58,218 |
Your next $1,000
A $75,000 salary
| Federal, on the next dollar | 22% |
|---|---|
| Social Security and Medicare | 7.65% |
| State, on the next dollar | 5.5% |
| Taken from the next $1,000 | $352 |
Rates shown are federal, Social Security and Medicare, and state. Any local tax is inside the kept amount.
How this state ranks, at this income
A $75,000 salary
| Take-home in Connecticut | $58,218 |
|---|---|
| Rank once local prices are leveledBEA price parity | 44th of 51 |
| Most take-home at this income | South Dakota · $61,593 |
| Best once prices are leveled | South Dakota |
State income tax only — no city or county income tax is applied to any state here.
Your two tax rates
A $75,000 salary
- Next dollar35.15%
- All your pay22.38%
| On the next dollar | 35.15% |
|---|---|
| Across all your pay | 22.38% |
| The gap | 12.77% |
| Tax this year | $16,783 |
The outer ring shows tax on your next dollar. The inner ring shows tax as a share of all your pay.
Which rung you are on
A $75,000 salary
| This rung starts at | $66,500 |
|---|---|
| Next rung starts at | $121,800 |
| Room before it | $46,800 |
Federal only, measured on gross pay — so the first rung is what the standard deduction covers.
Connecticut's ladder
A $75,000 salary
| Rungs in this state | 8 |
|---|---|
| Top rate begins | $515,000 |
Measured on gross pay, so any state standard deduction shows as a 0% first rung.
What filing status is worth
A $75,000 salary
| Single | $58,218 |
|---|---|
| Married filing jointly | $61,748 |
| Married filing separately | $58,218 |
| Head of household | $60,540 |
What each status computes to at this income. Which one you may use depends on your household.
The part never taxed
A $75,000 salary
- Never taxed$16,100
- Taxable$58,900
| Share of your pay | 21.47% |
|---|---|
| Taxable after it | $58,900 |
Federal income tax only. Social Security and Medicare start at the first dollar you earn.
The tax with a ceiling
A $75,000 salary
| Wage base | $184,500 |
|---|---|
| Social Security rate | 6.2% |
| Medicare surtax begins | $200,000 |
Social Security stops at the wage base. Medicare does not, and gains a surtax higher up.
What no income tax costs instead
A $75,000 salary
- Income
- Sales
- Property
| Income tax saved | $3,375 |
|---|---|
| Sales and property added | $0 |
| States with none | 9 |
Against the average of the states with no income tax. Stated assumptions: 30% spent taxably, a $300,000 home.
Tax brackets — Single, Married filing separately
| Taxable income | Rate |
|---|---|
| Up to $10,000 | 2% |
| $10,000 – $50,000 | 4.5% |
| $50,000 – $100,000 | 5.5% |
| $100,000 – $200,000 | 6% |
| $200,000 – $250,000 | 6.5% |
| $250,000 – $500,000 | 6.9% |
| Over $500,000 | 6.99% |
Tax brackets — Married filing jointly
| Taxable income | Rate |
|---|---|
| Up to $20,000 | 2% |
| $20,000 – $100,000 | 4.5% |
| $100,000 – $200,000 | 5.5% |
| $200,000 – $400,000 | 6% |
| $400,000 – $500,000 | 6.5% |
| $500,000 – $1,000,000 | 6.9% |
| Over $1,000,000 | 6.99% |
Tax brackets — Head of household
| Taxable income | Rate |
|---|---|
| Up to $16,000 | 2% |
| $16,000 – $80,000 | 4.5% |
| $80,000 – $160,000 | 5.5% |
| $160,000 – $320,000 | 6% |
| $320,000 – $400,000 | 6.5% |
| $400,000 – $800,000 | 6.9% |
| Over $800,000 | 6.99% |
What you'd actually owe, by filing status
Same gross income, four filing statuses. The gap between columns is entirely Connecticut's own schedule and deduction — federal tax and FICA are not included here.
| Gross income | Single | Married filing jointly | Head of household | Married filing separately |
|---|---|---|---|---|
| $50,000 | $2,000 | $760 | $1,535 | $2,000 |
| $75,000 | $3,375 | $2,875 | $2,975 | $3,375 |
| $100,000 | $4,750 | $4,000 | $4,300 | $4,750 |
Questions people ask
If I earn more, does the higher rate apply to everything?
No. Each band charges only the money inside it, so income is taxed in slices. That is why the share actually leaving at a typical income is about 4.5% rather than the top rate of about 6.99%.
Does getting married change what we owe here?
The schedule simply doubles. Joint thresholds are exactly twice the single ones here, so marrying neither penalizes nor rewards a couple in Connecticut.
Do two people get twice the allowance?
No. $0 each apart, but $0 together rather than twice that, so some allowance disappears on a joint return.
Is there a different schedule if I am not single or married?
Yes — this state publishes more than the two obvious schedules, so the status on your return changes which thresholds apply. Choosing the wrong one is a common and expensive mistake, because the bands genuinely differ rather than being scaled copies.
How do this state's marginal rates apply across income?
Connecticut applies each marginal rate only to income within its bracket. The top marginal rate is about 6.99%; measured effective liability at this project's representative income is about 4.5%. Crossing a threshold cannot reduce net income.
How does this state's joint schedule relate to the single schedule?
Connecticut's joint brackets are exactly twice the single brackets at every threshold, so the schedule is marriage-neutral. Aggregate liability depends only on combined income, not on how it is split between spouses. Federal treatment is separate and not necessarily neutral.
Why does the joint standard deduction not equal twice the single one?
The joint standard deduction of $0 is not twice the single deduction of $0, so the deduction itself contributes a marriage penalty independently of bracket structure.
Which filing statuses carry their own schedule here?
Connecticut publishes distinct bracket schedules for filing statuses beyond single and married-filing-jointly. Thresholds are set independently rather than derived by scaling, so status selection materially changes liability and cannot be approximated from the single schedule.