Philadelphia vs Seattle

Category-by-Category Breakdown

Index values shown. National average = 100. Lower is cheaper.

💰 Salary Equivalence

To maintain the same standard of living:

See exact take-home pay: Pennsylvania salaries · Washington salaries

Living in Philadelphia vs Seattle

Housing is typically the biggest factor in any cost-of-living comparison. Philadelphia has a housing index of 107 while Seattle sits at 224 (national average = 100). The median home in Philadelphia costs $240,000 compared to $750,000 in Seattle, a difference of $510,000. Monthly rent follows a similar pattern: $1,400 in Philadelphia versus $2,300 in Seattle.

Groceries and everyday expenses show a notable difference: Philadelphia scores 104 while Seattle scores 109.

Healthcare costs in Philadelphia (101) are lower than Seattle (109).

Median household income in Philadelphia is $49,127 compared to $97,185 in Seattle. When adjusted for cost of living, income goes further in Philadelphia.

Relocating: Philadelphia vs Seattle

If you are considering a move between Philadelphia (index: 106) and Seattle (index: 152), the 30% cost difference has real implications for your budget. Philadelphia is the more affordable option, but the right choice depends on your income, career opportunities, and lifestyle priorities.

Housing budget reality: Using the 28% rule (spending no more than 28% of gross income on housing), the median household in Philadelphia can afford $1,146/month, while the median household in Seattle can afford $2,268/month. With median homes at $240,000 in Philadelphia versus $750,000 in Seattle, the higher-cost city presents significant affordability challenges.

Renting vs buying: At $1,400/month in Philadelphia and $2,300/month in Seattle, renters save significantly in Philadelphia. The rent-to-own ratio in each city determines whether renting or buying offers better value for your situation.

Income adjustment: A $75,000 salary goes significantly further in Philadelphia. Before accepting a job in either city, use the salary equivalence data above to understand what you would need to earn to maintain your current standard of living.

Reading These Numbers: Philadelphia (106) vs Seattle (152)

The cost of living index uses 100 as the national average. Philadelphia at 106 is 6% above the US average, while Seattle at 152 is 52% above average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.

The overall index is a weighted average of housing (the largest component), groceries, utilities, transportation, and healthcare. Housing typically drives the biggest differences between cities. Even when two cities have similar overall indices, their category-level costs can vary significantly — one city might have expensive housing but cheap groceries, while another is the reverse. Check the category breakdown above for the full picture.

For renters: With median rents of $1,400/month in Philadelphia and $2,300/month in Seattle, the annual rent difference is approximately $10,800. Over a 5-year period, that compounds to $54,000 in savings by choosing the more affordable city.

For homebuyers: The $510,000 difference in median home prices between Philadelphia and Seattle translates to roughly $30,600 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.

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