Philadelphia, PA vs. Seattle, WA: Cost of Living
Side-by-side comparison of Philadelphia and Seattle, built from Census Bureau ACS 2020-2024 estimates.
The numbers
| Measure | Philadelphia, PA | Seattle, WA | Difference |
|---|---|---|---|
| Population | 1,579,706 | 754,195 | -52.3% |
| Median household income | $61,953 | $123,860 | +99.9% |
| Median gross rent (monthly) | $1,397 | $2,030 | +45.3% |
| Median home value | $243,100 | $938,600 | +286.1% |
Difference is Seattle, WA relative to Philadelphia, PA.
Purchasing power
Using state-level price parities (BEA RPP 2024: Pennsylvania 97.6, Washington 107.0, U.S. = 100), a $100,000 salary in Philadelphia, PA buys about as much as $109,676 in Seattle, WA.
State-level price index; city prices within a state vary. See methodology.
Housing affordability
| Measure | Philadelphia, PA | Seattle, WA |
|---|---|---|
| Salary needed for median rent (30% rule) | $55,880 | $81,200 |
| Rent burden at local median income | 27.1% | 19.7% |
| Est. affordable home price at median income | $226,000 | $451,833 |
Home price assumes 6.67% 30-yr rate (FRED, 2026-08), 20% down, 28% front-end DTI, 1.5%/yr taxes+insurance. Not financial advice.
Full city profiles
About this data
- American Community Survey 5-Year Estimates — data period 2020-2024, retrieved August 13, 2026.
- Regional Price Parities — data period 2024, retrieved August 13, 2026.
- Federal Reserve Economic Data — data period 2026-08, retrieved August 13, 2026.
Figures are shown exactly as published by the source or derived by the documented formulas on our methodology page. Where a source suppresses an estimate, we show “—” rather than a substitute value.