Airway Heights, WA vs Mercer Island, WA

The cost of living difference between Airway Heights, WA and Mercer Island, WA is dramatic. Airway Heights is 63.3% cheaper than Mercer Island, a gap that translates to thousands of dollars per year in household expenses. Airway Heights has a cost index of 99 while Mercer Island sits at 269, 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 Airway Heights is $1,313/month compared to $2,464/month in Mercer Island — a 47% difference. Home values follow the same pattern: Airway Heights is more affordable at $286,900 median vs $1,884,200.

Median household income in Airway Heights is $64,659 compared to $202,359 in Mercer Island (-68%). While Mercer Island is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Airway Heights spend roughly 24.4% of their income on rent, more than the 14.6% in Mercer Island.

Climate-wise, Mercer Island is notably warmer with an average of 53.8°F compared to 48.6°F in Airway Heights. Mercer Island receives more rainfall at 36.5" per year compared to 16.5" in Airway Heights.