Cost of Living in Cambridge
Massachusetts · Population: 118,927
Cost Breakdown by Category
Index values. National average = 100. Lower is more affordable.
💰 Purchasing Power
With a median income of $103,154 and a cost of living index of 178, the purchasing power-adjusted income in Cambridge is $57,952.
This means you need a higher income in Cambridge to match the purchasing power of an average US city.
Financial Reality in Cambridge
With a cost of living index of 178, Cambridge costs 78% more than the national average. Here is what that means in practical terms for your household budget.
Housing affordability: The median home price of $890,000 represents a 8.6x home-price-to-income ratio against the median household income of $103,154. This is a challenging affordability ratio. Dual incomes or above-median earnings are typically needed for homeownership. Using the 28% rule, the median household can allocate $2,407/month to housing costs.
Rent burden: At $3,100/month, rent consumes approximately 36% of the median gross household income. This exceeds the recommended 30% threshold, suggesting many renters may be housing cost-burdened.
Purchasing power: The median income of $103,154 has a purchasing power equivalent to $57,952 in an average-cost US city. That means residents effectively earn less than the raw number suggests after accounting for higher local costs.
Common Questions About Living in Cambridge
How much do I need to earn to live comfortably in Cambridge? Based on local costs, a household income of at least $124,000 is needed to rent comfortably (using the 40x rent rule), or roughly $830,667+ to afford the median home. These are minimums — factor in your specific debt obligations, savings goals, and lifestyle expenses.
Is it cheaper to rent or buy in Cambridge? With median rent at $3,100/month and median home prices at $890,000, the rent-to-buy ratio favors renting in the short term, as buying requires significant upfront capital. Run the numbers with a mortgage calculator using current rates for your specific situation.
How does Cambridge compare to similar cities? Use the comparison links above to see Cambridge side-by-side with other cities. The most meaningful comparisons are with cities in the same region, similar population size, or cities you are considering for a move. Pay attention to category-level differences, not just the overall index.
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How to Use the Cambridge Guide
This page works best as a decision-support tool, not as a one-number ranking. Use the category breakdowns to understand where Cambridge is most likely to pressure a household budget, then compare those patterns to your income, debt obligations, commute expectations, and housing preferences.
When you evaluate a move to Cambridge, housing should usually be the first category you stress-test. After that, verify transportation, utilities, healthcare, and any local taxes or fees that could materially shift the monthly total. The goal is to convert a broad cost-of-living snapshot into a realistic budget you could actually live with.
Once Cambridge makes your shortlist, pair this guide with live rental listings, mortgage estimates, and employer-specific salary data. That final step is what turns research into a confident relocation decision.