Mercer Island, WA vs Sunnyvale, CA

Side-by-side comparison of housing, income, commute, safety, and quality of life.

Score Snapshot

No universal winner

Scores summarize the published model. Use the objective metric differences below and your own priorities to choose.

Mercer Island

64.9

#1667 nationally

vs

Sunnyvale

66.4

#1551 nationally

Sunnyvale leads in walk score (54 vs 33). Sunnyvale leads in cost of living index (205 vs 264). Mercer Island leads in median household income ($190,985 vs $168,924).

Metric-by-Metric Breakdown

Metric Mercer Island, WA Sunnyvale, CA
WhereAtHome Score 64.9 (#1667) 66.4 (#1551)
Population 24,742 155,805
Typical Home Value (ZHVI) $2,295,406 $2,050,814
Median Household Income $190,985 $168,924
Average Commute 27 min 25.6 min
Walk Score 33 54
Crime Level 1.0 Low
School Rating N/A 8.6
Cost of Living Index 264 205
Political lean County 2024 presidential margin — context only, not scored D+51.7 D+40.0