Seattle, WA vs Mercer Island, WA

Side-by-side comparison from the latest government data.

MetricSeattle, WAMercer Island, WA
Population754,19525,307
Median Household Income$123,860$219,069
Median Rent$2,030/mo$2,502/mo
Median Home Value$938,600$2,000,000+
Cost of Living (US = 100)111111
Renters Paying 30%+ of Income42.4%42.7%
Poverty Rate9.9%3.8%
Unemployment Rate4.2%4.5%
Violent Crime Rate /100k70668
Property Crime Rate /100k4,460953
Median AQI4343
Good AQI Days /yr245245
Summer Highs75°F75°F
Winter Lows37°F37°F
Snowfall4 in/yr4 in/yr
Avg Commute26 min23.6 min
Hospitals9—
Avg Hospital Rating3.8 / 5—
Students per Teacher16.918.8
College Degree Rate68.4%81.4%
Foreign-Born %20.2%26.4%
Population Growth (2020–2025)+6.5%-1.3%

Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.
The Census tops out at $2,000,000+ for home value; it doesn't publish exact figures above that. Two capped values can't be compared, so neither is marked better.