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Connecticut cost of living & income (2026)

Quick answer: Connecticut has a cost-of-living index of 114.2 (100 = national baseline), an illustrative estimated annual cost of living of about $57,100, median household income of $96,049, combined average sales tax about 6.35%, and regular gas about $4.085/gal in the June 2026 AAA snapshot used on the hub.

COL index114.2100 = US baseline
Est. annual COL$57,100
Median HH income$96,049
Sales tax (comb.)6.35%
Gas (87 octane)$4.085/galJune 2026 AAA
Largest cityBridgeport (148,028)

Taxes & economy

Income tax: Graduated 2%–6.99%

Sales tax: 6.35% state (combined avg. ~6.35%)

Major industries: Finance/insurance, manufacturing (submarines/aerospace), biotech, tourism

Climate snapshot

Summer high ~83°F (July) · Winter low ~22°F (January)

Culture (context)

Mystic Seaport / Mark Twain House area

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What this means for you

What this means for you: a basket priced at 100 on the national baseline is indexed at 114.2 in Connecticut. A salary that buys that basket at the baseline would need about 114.2% of that salary to buy the same basket here. That is index math from this snapshot, not a tax-equalized offer and not your rent.

Compare a salary: Connecticut vs Texas on the explorer.

How to read this page

  1. Read the quick answer for Connecticut's cost-of-living index, estimated annual cost, median income, sales tax, and gas price.
  2. Open the 50-state explorer and compare Connecticut with another state. The salary line multiplies pay by the other index divided by this index.
  3. Use the mortgage, rent, and paycheck calculators with your own numbers. This page does not compute a tax return.

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Related states

Similar cost-of-living index in this dataset:

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FAQ

What is Connecticut's cost of living index?

Connecticut's cost-of-living index is 114.2 (national baseline 100) in this 2026 classroom snapshot.

What is the estimated annual cost of living in Connecticut?

The explorer lists an illustrative estimated annual cost of living of about $57,100 for Connecticut.

What is median household income in Connecticut?

Median household income in Connecticut is $96,049 in this dataset.

What is the combined average sales tax rate in Connecticut?

The combined average sales tax rate shown for Connecticut is 6.35%. State and local rules vary; see the Tax Foundation citation on the hub.

Does Connecticut have a state income tax?

State income tax in Connecticut: Graduated 2%–6.99%.

What was regular gas in Connecticut in this snapshot?

87-octane gas is listed at $4.085 per gallon (AAA, June 2026) in the explorer data.

How should a household read Connecticut's cost-of-living index?

The index is 114.2 against a US baseline of 100. A salary that buys a basket at the baseline would need about 114.2% of that salary to buy the same basket in Connecticut in this snapshot. It is not a tax bill, a rent quote, or financial advice.

Sources: Tax Foundation (sales tax), BEA / ACS (income & COL), AAA gas (June 20, 2026). Educational, not financial, tax, or relocation advice.