Lacey, WA vs Mercer Island, WA

The cost of living difference between Lacey, WA and Mercer Island, WA is dramatic. Lacey is 52.7% cheaper than Mercer Island, a gap that translates to thousands of dollars per year in household expenses. Lacey has a cost index of 127 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 Lacey is $1,805/month compared to $2,464/month in Mercer Island — a 27% difference. Home values follow the same pattern: Lacey is more affordable at $427,900 median vs $1,884,200.

Median household income in Lacey is $87,277 compared to $202,359 in Mercer Island (-56.9%). 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 Lacey spend roughly 24.8% 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 50.5°F in Lacey. Lacey receives more rainfall at 50.6" per year compared to 36.5" in Mercer Island.