Cost of Living in Mercer Island, WA
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
279.8
100 = national avg
+179.8 vs national average
Living Wage (1 Adult)
$123,121
per year
Living Wage (Family of 4)
$291,014
per year
Cost Index by Category
Housing400.0
Food200.0
Transportation167.0
Healthcare183.7
Utilities200.0
100 = national average. Higher = more expensive.
Fair Market Rent
Source: HUD1 Bedroom
$2,146
per month
2 Bedroom
$2,501
per month
The overall cost of living index in Mercer Island is 279.8, which is 179.8% above the national average. Housing costs are above the national average at an index of 400.0. A single adult needs to earn approximately $123,121 per year to cover basic expenses.