2026 Connecticut Income Tax Brackets & Rates
Federal and state tax brackets, capital gains rates, and corporate tax rates for Connecticut in tax year 2026.
Federal Income Tax Brackets (2026)
| From | To | Rate |
|---|---|---|
| $0 | $12,400 | 10.00% |
| $12,400 | $50,400 | 12.00% |
| $50,400 | $105,700 | 22.00% |
| $105,700 | $201,775 | 24.00% |
| $201,775 | $256,225 | 32.00% |
| $256,225 | $640,600 | 35.00% |
| $640,600 | ∞ | 37.00% |
Connecticut State Income Tax Brackets (2026)
| From | To | Rate |
|---|---|---|
| $0 | $10,000 | 2.00% |
| $10,000 | $50,000 | 4.50% |
| $50,000 | $100,000 | 5.50% |
| $100,000 | $200,000 | 6.00% |
| $200,000 | $250,000 | 6.50% |
| $250,000 | $500,000 | 6.90% |
| $500,000 | ∞ | 6.99% |
Federal Capital Gains Tax Brackets (2026)
| From | To | Rate |
|---|---|---|
| $0 | $49,450 | 0.00% |
| $49,450 | $545,500 | 15.00% |
| $545,500 | ∞ | 20.00% |
Additional Information
- Federal Corporate Tax Rate
- 21.00%
- State Corporate Tax Rate
- 8.25%
- Federal Standard Deduction (Single)
- $16,100
Sources & Trust
Every figure above is traceable to a published source. Each source is rated by what published it, not by how confident we feel about it.
Federal (United States) — 2026
OfficialValues verified- Rate bracketsTier 1 · Primary authority
- Standard deductionTier 1 · Primary authority
- Capital gainsTier 1 · Primary authority
- Corporate rateTier 1 · Primary authority
3 sources— show— hide
Cited for Rate brackets, Standard deduction, Capital gains, Corporate rate · confirmed
Section 4.14(1) table, page 18 of the PDF
- Irs Releases Tax Inflation Adjustments For Tax Year 2026 Including…irs.govTier 1 · Primary authority
Cited for Rate brackets, Standard deduction · confirmed
Press release states $16,100 directly
Cited for Corporate rate · confirmed
Official U.S. Code text: flat 21% corporate rate under §11(b)
How we rate sources — tiers are derived from what published the document, not from our confidence in it.
Connecticut — 2026
ProvisionalValues verified2026 state values currently carry forward 2025 structures/rates unless separately updated.
- Rate bracketsTier 1 · Primary authority
- Standard deductionNot separately cited
- Capital gainsTier 1 · Primary authority
- Corporate rateTier 1 · Primary authority
6 sources— show— hide
Cited for Rate brackets · confirmed
Primary citation recorded with the tax table entry; coverage beyond the rate brackets is unconfirmed.
Cited for Rate brackets · confirmed
CT DRS IP 2026(7), issued 12/12/2025, Table B; official 2026 tax calculation schedule. WebFetch could not decode this PDF; downloaded via WebFetch's saved binary and read with pdftotext this session.
Cited for Rate brackets, Capital gains · confirmed
CT DRS official 2026 legislative developments page, fetched live; lists no personal income tax rate/bracket changes for 2026.
Cited for Corporate rate · confirmed
CT DRS Corporation Tax Information page, fetched live this session; confirms 7.5% for both 2025 and 2026 and the surcharge extension through 2028.
Cited for Capital gains · confirmed
2026-session capital-gains-surcharge bill fiscal note; identified via WebSearch, not independently re-fetched/parsed in full this session -- supplementary context only.
Cited for Corporate rate · confirmed
CGA OLR report, May 16 2025, Table 1, capital-base mills schedule by income year.
How we rate sources — tiers are derived from what published the document, not from our confidence in it.