Federal Way, WA vs Sammamish, WA

The cost of living difference between Federal Way, WA and Sammamish, WA is dramatic. Federal Way is 40.5% cheaper than Sammamish, a gap that translates to thousands of dollars per year in household expenses. Federal Way has a cost index of 133 while Sammamish sits at 224, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Federal Way is $1,738/month compared to $2,728/month in Sammamish — a 36% difference. Home values follow the same pattern: Federal Way is more affordable at $499,600 median vs $1,240,300.

Median household income in Federal Way is $82,144 compared to $227,273 in Sammamish (-63.9%). While Sammamish is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Federal Way spend roughly 25.4% of their income on rent, more than the 14.4% in Sammamish.

Climate-wise, both cities share similar average temperatures (53.7°F vs 53.6°F). Federal Way receives more rainfall at 39.3" per year compared to 34.7" in Sammamish.