Massachusetts · Population 41,398 · Updated March 2026
How far your income goes in Marlborough
State-level tax rates that affect your costs
Marlborough has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 136 (where 100 equals the national median), Marlborough residents can expect to pay median rent of $1,721/month while earning a median household income of $95,047/year.
The median home value in Marlborough, MA is $485,400, with typical monthly owner costs around $1,884 including mortgage, insurance, and taxes. The median rent-to-income ratio of 21.7% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Massachusetts's top income tax rate of 9.0% is among the highest in the nation, adding to the overall cost burden. Combined with a 6.25% sales tax rate and 1.15% effective property tax rate, the overall tax environment is a factor in the total cost of living in Marlborough.
Common questions about living costs in Marlborough