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Tax year 2026

Connecticut vs Rhode Island Income Tax — 2026

A single filer earning $100,000 pays $777 less per year in Rhode Island than in Connecticut — $65 a month. Connecticut charges $3,925; Rhode Island charges $3,148.

Why this pair has a page: bordering states.

Connecticut at $100K
$3,925
3.92%
Rhode Island at $100K
$3,148
3.15%
Annual difference
$777
$65 a month
National ranks
27 vs 16
of 50, lowest tax first

The bill at every income

Single filer, standard deduction, no dependents. State income tax only.

Connecticut and Rhode Island income tax compared at seven income levels, 2026
Gross incomeConnecticut taxRhode Island taxDifference
$50,000$1,325$1,258$67 less in RI
$75,000$2,550$2,196$354 less in RI
$100,000$3,925$3,148$777 less in RI
$150,000$6,850$5,523$1,327 less in RI
$250,000$13,025$10,857$2,168 less in RI
$500,000$30,215$25,832$4,383 less in RI
$1,000,000$65,152$55,782$9,369 less in RI
Annual state income tax, Connecticut versus Rhode Island
CT at $50,000: $1,325CT at $50,000$1,325RI at $50,000: $1,258RI at $50,000$1,258CT at $75,000: $2,550CT at $75,000$2,550RI at $75,000: $2,196RI at $75,000$2,196CT at $100,000: $3,925CT at $100,000$3,925RI at $100,000: $3,148RI at $100,000$3,148CT at $150,000: $6,850CT at $150,000$6,850RI at $150,000: $5,523RI at $150,000$5,523CT at $250,000: $13,025CT at $250,000$13,025RI at $250,000: $10,857RI at $250,000$10,857CT at $500,000: $30,215CT at $500,000$30,215RI at $500,000: $25,832RI at $500,000$25,832CT at $1,000,000: $65,152CT at $1,000,000$65,152RI at $1,000,000: $55,782RI at $1,000,000$55,782

How the two systems differ

Connecticut and Rhode Island income tax systems compared
ConnecticutRhode Island
Tax structureGraduatedGraduated
Top marginal rate6.99%5.99%
Number of brackets73
Standard deduction (single)None$11,200
Personal exemption$15,000$5,250
Local income taxesNoNo
Capital gainsordinaryordinary
Population (2024)3,675,0691,112,308

By filing status

Connecticut and Rhode Island tax on $100,000 by filing status, 2026
Filing statusConnecticutRhode IslandDifference
Single$3,925$3,148$777 less in RI
Married filing jointly$2,920$2,713$207 less in RI
Married filing separately$4,090$3,148$942 less in RI
Head of household$3,255$2,923$332 less in RI

Change the assumptions

Adjust income and filing status, or swap either state. The URL updates so you can share the exact comparison.

At $100,000 as a single filer, Rhode Island costs $777 less per year than Connecticut — $65 a month.

Connecticut compared with Rhode Island at $100,000
ConnecticutRhode IslandDifference
State income tax$3,925$3,148$777
Per month$327$262$65
Effective rate3.92%3.15%0.78 pts
Marginal rate5.5%4.75%0.75 pts
Standard deduction$0$11,200$11,200
Taxable income$85,000$83,550$1,450
Tax structureGraduatedGraduated
Local income taxesNoNo

Full detail: Connecticut · Rhode Island · methodology

What this comparison leaves out

Sources for both states

  1. 1.Connecticut Department of Revenue ServicesState revenue department
    Form CT-1040ES, 2026 Estimated Connecticut Income Tax Payment Coupon for Individuals - Tax Calculation Schedule, Tables A through E for the 2026 taxable year
    https://portal.ct.gov/-/media/drs/forms/2025/income/ct1040es-flat0126.pdf
    Retrieved
  2. 2.Tax FoundationResearch organisation (cross-check)
    State Individual Income Tax Rates and Brackets, 2025
    https://taxfoundation.org/data/all/state/state-income-tax-rates/
    Retrieved
  3. 3.Rhode Island Division of TaxationState revenue department
    ADV 2025-22: Inflation-adjusted amounts set for Tax Year 2026 (November 3, 2025)
    https://tax.ri.gov/sites/g/files/xkgbur541/files/2025-11/ADV_2025_22_Inflation_Adjustments.pdf
    Retrieved

Figures on this page were last checked against these sources on . Found something wrong? Report it.