Connecticut Tax Burden
Connecticut ranks #2 nationally for total tax burden with a combined rate of 14.07%.
Compare with Neighboring States
Is Connecticut a High-Tax State?
Yes — Connecticut ranks #2 nationally for total tax burden at 14.07%, placing it among the 10 highest-taxed states in America. The state income tax rate of 4.962% is among the higher rates nationally, significantly impacting residents' take-home pay.
Property taxes are a major factor here — at 1.89% effective rate, homeowners in Connecticut pay significantly more than the national median of ~1.1%. On a $300,000 home, that's approximately $567,000/year in property taxes alone. With a median household income of $83,617, the average Connecticut resident pays approximately $11,765 per year across all state and local taxes.
Tax Planning Tips for Connecticut Residents
High income tax state: At 4.962%, Connecticut's income tax takes a significant bite. Consider maximizing pre-tax retirement contributions (401k, IRA, HSA) to reduce your state tax bill. If you're nearing retirement, evaluate whether relocating to a no-income-tax state could save you significantly on withdrawals.
Property tax protest: With an effective rate of 1.89%, property tax appeals are worth pursuing in Connecticut. Homeowners who formally protest their assessed value often achieve reductions of 5–15%. On a $300,000 home, that's a potential savings of $56,700/year. Check your county assessor's deadline — most states allow annual appeals.
High sales tax (6.35%): For major purchases — vehicles, appliances, furniture — calculate whether buying across state lines (if near a border) saves meaningful money. A $30,000 car purchase costs an extra $190,500 in sales tax in Connecticut.
For retirees: At 4.962% income tax, all retirement withdrawals are potentially taxable. Check whether Connecticut offers any exemptions for Social Security or pension income — many states do.
All 9 Counties in Connecticut
| Rank | County | Property Tax | Income Tax | Sales Tax | Total Burden | Nat'l Rank |
|---|---|---|---|---|---|---|
| 1 | Greater Bridgeport Planning Region | 2.23% | 4.959% | 6.35% | 17.05% | #7 |
| 2 | Western Connecticut Planning Region | 1.52% | 5.201% | 6.35% | 14.92% | #38 |
| 3 | South Central Connecticut Planning Region | 2.11% | 4.962% | 6.35% | 14.88% | #41 |
| 4 | Capitol Planning Region | 2.22% | 4.990% | 6.35% | 14.23% | #64 |
| 5 | Naugatuck Valley Planning Region | 2.13% | 4.957% | 6.35% | 14.07% | #72 |
| 6 | Northwest Hills Planning Region | 1.89% | 4.988% | 6.35% | 13.46% | #105 |
| 7 | Lower Connecticut River Valley Planning Region | 1.83% | 5.049% | 6.35% | 13.41% | #110 |
| 8 | Southeastern Connecticut Planning Region | 1.81% | 4.940% | 6.35% | 13.26% | #123 |
| 9 | Northeastern Connecticut Planning Region | 1.58% | 4.959% | 6.35% | 12.16% | #230 |
Connecticut Tax Burden Summary
Connecticut ranks #2 for total tax burden in the United States with a combined effective rate of 14.07%. Residents earning $100,000 pay approximately $14,070 in total state and local taxes — including $567,000 in property tax on a $300,000 home, $496,200 in state income tax, and an estimated $254,000 in sales tax on $40,000 of taxable spending.
With a median household income of $83,617 and a population of 3,611,317, Connecticut has 9 counties with tax burdens ranging from 12.16% to 17.05%. As one of the higher-taxed states, Connecticut residents should carefully evaluate county-level differences — choosing the right county can save thousands per year.