Cost of Living in Mercer Island, WA
Overall index: 352 (100 = US national average). Data source: US Census ACS 2023 & BLS OEWS 2025, 2025.
Overall Cost of Living Index
Cost Breakdown by Category
| Category | Index | vs US avg | Sample cost |
|---|---|---|---|
| Housing | 541 | +441% | $1,725 |
| Transportation | 98 | -2% | $3.50 |
| Food | 271 | +171% | $1,111 |
| Utilities | 321 | +221% | $974 |
| Healthcare | 321 | +221% | $703 |
Index 100 = US national average. Higher = more expensive.
Cost breakdown (visual)
Salary Calculator: What do you need to earn in Mercer Island?
A single adult living comfortably in Mercer Island, WA needs approximately $123,200 / year after taxes.
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Frequently Asked Questions
What is the cost of living in Mercer Island, WA?
The overall cost of living in Mercer Island, WA is 252% higher than the US national average (index: 352 where 100 = national average).
How much is rent in Mercer Island, WA?
Average rent for a 1-bedroom apartment in Mercer Island, WA is about $1,725/month.
Is Mercer Island, WA expensive to live in?
Yes, Mercer Island, WA is considered expensive (index above national average).
What salary do I need to live in Mercer Island, WA?
A single adult needs roughly $123,200/year to cover basic living costs in Mercer Island, WA.