New York · Population 19,840 · Updated March 2026
How far your income goes in Mamaroneck
State-level tax rates that affect your costs
Mamaroneck has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 178 (where 100 equals the national median), Mamaroneck residents can expect to pay median rent of $2,017/month while earning a median household income of $125,459/year.
The median home value in Mamaroneck, NY is $705,200, with typical monthly owner costs around $2,443 including mortgage, insurance, and taxes. The median rent-to-income ratio of 19.3% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
New York's top income tax rate of 10.9% is among the highest in the nation, adding to the overall cost burden. Combined with a 4.0% sales tax rate and 1.62% effective property tax rate, the overall tax environment is a factor in the total cost of living in Mamaroneck.
Common questions about living costs in Mamaroneck