Home · 50 states · Massachusetts
50 states · MA
Quick answer: Massachusetts has a cost-of-living index of 147.8 (100 = national baseline), an illustrative estimated annual cost of living of about $73,900, median household income of $104,828, combined average sales tax about 6.25%, and regular gas about $4.077/gal in the June 2026 AAA snapshot used on the hub.
Income tax: Graduated (up to 6.25%+)
Sales tax: 6.25% state (combined avg. ~6.25%)
Major industries: Technology/biotech (Boston), higher education, finance, healthcare, tourism
Summer high ~82°F (July, Boston area) · Winter low ~22°F (January)
Freedom Trail / Museum of Fine Arts
Open the interactive 50-state map & table — sort, filter, and use the dual ranker on the full explorer.
Massachusetts's cost-of-living index is 147.8 (national baseline 100) in this 2026 classroom snapshot.
The explorer lists an illustrative estimated annual cost of living of about $73,900 for Massachusetts.
Median household income in Massachusetts is $104,828 in this dataset.
The combined average sales tax rate shown for Massachusetts is 6.25%. State and local rules vary; see the Tax Foundation citation on the hub.
State income tax in Massachusetts: Graduated (up to 6.25%+).
87-octane gas is listed at $4.077 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.