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Maine cost of living & income (2026)

Quick answer: Maine has a cost-of-living index of 114.6 (100 = national baseline), an illustrative estimated annual cost of living of about $57,300, median household income of $76,442, combined average sales tax about 5.50%, and regular gas about $4.035/gal in the June 2026 AAA snapshot used on the hub.

COL index114.6100 = US baseline
Est. annual COL$57,300
Median HH income$76,442
Sales tax (comb.)5.50%
Gas (87 octane)$4.035/galJune 2026 AAA
Largest cityPortland (69,104)

Taxes & economy

Income tax: Graduated (up to ~7.15%)

Sales tax: 5.5% state (combined avg. ~5.50%)

Major industries: Tourism/outdoors, fishing/lobster, manufacturing, agriculture (blueberries, potatoes)

Climate snapshot

Summer high ~78°F (July) · Winter low ~12°F (January)

Culture (context)

Portland Museum of Art / Maine Maritime Museum

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FAQ

What is Maine's cost of living index?

Maine's cost-of-living index is 114.6 (national baseline 100) in this 2026 classroom snapshot.

What is the estimated annual cost of living in Maine?

The explorer lists an illustrative estimated annual cost of living of about $57,300 for Maine.

What is median household income in Maine?

Median household income in Maine is $76,442 in this dataset.

What is the combined average sales tax rate in Maine?

The combined average sales tax rate shown for Maine is 5.50%. State and local rules vary; see the Tax Foundation citation on the hub.

Does Maine have a state income tax?

State income tax in Maine: Graduated (up to ~7.15%).

What was regular gas in Maine in this snapshot?

87-octane gas is listed at $4.035 per gallon (AAA, June 2026) in the explorer data.

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