Boston vs Seattle: Cost of Living Comparison
Boston and Seattle are tech-forward cities with strong healthcare and education sectors, making them a common comparison for professionals weighing job offers on opposite coasts. Seattle's biggest financial advantage is Washington State's zero income tax, which can save high earners thousands per year compared to Massachusetts's flat income tax. Housing costs are high in both metros, with Boston's older housing stock and limited land driving prices upward. Both cities experience distinct seasons and offer excellent access to nature.
Side-by-Side Comparison
| Category | Boston | Seattle | Winner |
|---|---|---|---|
| Overall Index | 148 | 145 | Seattle |
| Housing | 210 | 207 | Seattle |
| Groceries | 109 | 112 | Boston |
| Transportation | 113 | 121 | Boston |
| Utilities | 138 | 99 | Seattle |
Index values are estimates for general comparison purposes relative to a national average of 100. Lower is cheaper. Actual costs vary by neighborhood, household size, and lifestyle.
Visual Cost Comparison
Overall Index
Housing
Groceries
Transportation
Utilities
Green bars indicate the more affordable city in each category. National average = 100.
Salary Equivalent: Boston vs Seattle
To maintain the same standard of living, here's what salaries earned in Boston are worth in Seattle - and vice versa.
| Salary in Boston | Equivalent in Seattle | Difference |
|---|---|---|
| $50,000 | $48,986 | $-1,014 |
| $75,000 | $73,480 | $-1,520 |
| $100,000 | $97,973 | $-2,027 |
| $150,000 | $146,959 | $-3,041 |
Seattle is cheaper, so you need less income to maintain your standard of living. A negative difference means you keep more purchasing power.
Category-by-Category Breakdown
Housing (Seattle wins): Housing is 1% more expensive in Boston than Seattle. Boston has a housing index of 210 vs 207. This is typically the largest expense category and drives most of the overall cost difference.
Groceries (Boston wins): Grocery costs in Boston (index 109) are lower than Seattle (index 112). Both cities are above the national average for groceries.
Transportation (Boston wins): Transportation costs index 113 in Boston vs 121 in Seattle. This includes gas prices, car insurance, public transit fares, and vehicle maintenance. The 8-point gap can add up, especially for commuters.
Utilities (Seattle wins): Utilities cost more in Boston (index 138) than Seattle (index 99). This covers electricity, natural gas, water, sewage, internet, and phone service. Climate plays a significant role - cities with extreme temperatures tend to have higher utility costs.
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FAQ - Boston vs Seattle Cost of Living
Is Boston or Seattle more expensive to live in?
Boston is more expensive overall, with a cost of living index of 148 compared to 145 (national average = 100). The biggest difference is in housing, where Boston costs 3 index points more.
How much more expensive is housing in Boston vs Seattle?
Housing in Boston has an index of 210 compared to 207 in Seattle. That's 1% more expensive. Housing is typically the largest factor in cost of living differences between cities.
What is a $100,000 salary in Boston worth in Seattle?
A $100,000 salary in Boston is equivalent to approximately $97,973 in Seattle. This means you would need to earn less in Seattle to maintain the same standard of living.
Are groceries cheaper in Boston or Seattle?
Groceries are cheaper in Boston, with an index of 109 compared to 112 in Seattle. The national average is 100, so both cities are above the national average.
Should I move from Boston to Seattle to save money?
Moving from Boston to Seattle could save you money, as Seattle's overall cost of living index is 3 points lower. However, consider your specific situation - salary differences between markets, state income taxes, and lifestyle preferences all factor in. Use our free calculator to estimate total relocation costs.