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Mercer Island vs Downtown

Neighborhood comparison in Seattle, United States

Mercer Island

99.4
COLI Index
More Expensive
VS

Downtown

93.8
COLI Index
More Affordable

Side-by-Side Comparison

1.25x
Mercer Island Multiplier
1.18x
Downtown Multiplier
$2,750
Est. 1BR Rent
$2,596
Est. 1BR Rent
$74,550
$75K Equivalent
$70,350
$75K Equivalent

Cost Comparison

Mercer Island
1.25x
Downtown
1.18x

Mercer Island is 6% more expensive than Downtown within Seattle. Living in Downtown instead of Mercer Island could save you significantly on rent and daily expenses.

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Data Sources: Cost of living data from Numbeo · Expatistan. Rent from Numbeo Property Prices. Tax rates from OECD Taxing Wages · U.S. Bureau of Labor Statistics · U.S. Census Bureau. Salary data from BLS · Glassdoor. Exchange rates from the ECB. Updated 2026-02-28. All figures are estimates.