The short version
- Social Security taxed?
- Partly
- Income tax
- Brackets 2%–6.99%
- Property tax on a $300,000 home
- ≈ $4,620 / yr ($385 / mo)
- Everyday cost index (U.S. = 100)
- 113
- January / July high
- 35°F / 85°F
- Sales tax (state + local avg)
- 6.35%
Top-tier healthcare and most moderate-income retirees pay no state tax on Social Security or pensions. Watch out: some of the highest property taxes in the country.
The short version
Social Security: this state taxes a portion of benefits, usually above certain income levels.
Pensions: Pensions and IRA income exempt below $75,000 single / $100,000 joint income; taxed above.
401(k) and IRA withdrawals: Same income-based exemption covers 401(k)/IRA withdrawals.
The setup: Brackets 2%–6.99%.
The average effective property tax rate is about 1.54% — roughly $4,620 a year ($385 a month) on a $300,000 home. Your county sets the real number.
Help for seniors: State and local senior tax credits and freezes for lower-income homeowners 65+.
Try your own home value in the Property Tax Estimator.
Overall cost of living runs about 13% above the U.S. average. The combined state and average local sales tax is 6.35%.
January days top out around 35°F and July days around 85°F, with roughly 199 sunny days a year. Watch out for: Nor'easters and snowy winters; coastal storms.
Excellent hospitals including Yale New Haven; care is costly.
Connecticut has an estate tax. Estate tax above a $15 million exemption (2026)