Newcastle receives the higher standardized Area Score. That reflects AreaProfile's weighting, not a judgment about which place is better to live in.
Signals
Mercer Island
Newcastle
Opportunity
50 · Bottom 38%
vs51 · Bottom 40%
Growth
30 · Bottom 17%
vs35 · Bottom 24%
Climate
74 · Top 35%
vs74 · Top 35%
Physical resilience
41 · Bottom 31%
vs41 · Bottom 31%
Housing affordability
55 · Bottom 15%
vs63 · Bottom 25%
Access
95 · Top 40%
vs95 · Top 40%
Economic stability
68 · Top 35%
vs68 · Top 33%
Measured values
| Metric | Mercer Island | Newcastle | Source period |
|---|---|---|---|
| Population | 25,307 | 12,989 | 2024 ACS 5-Year |
| Median household income | $219,069 | $160,278 | 2024 ACS 5-Year |
| Per capita income | $128,615 | $91,506 | 2024 ACS 5-Year |
| Population density | 3,965/sq mi | 2,929/sq mi | 2024 ACS 5-Year |
| Median home value | $2,000,001 | $1,205,600 | 2024 ACS 5-Year |
| Median gross rent | $2,502 | $2,369 | 2024 ACS 5-Year |
| Homeownership rate | 67.0% | 61.0% | 2024 ACS 5-Year |
| Unemployment rate | 5.0% | 4.9% | June 2026 |
| Employment change (year over year) | -1.6% | -1.6% | June 2026 |
| Bachelor's degree or higher | 81.4% | 68.5% | 2024 ACS 5-Year |
| Poverty rate | 3.8% | 5.9% | 2024 ACS 5-Year |
| Housing units permitted (12 months) | 22 | 33 | 12 months ending July 2026 |
| Permits per 1,000 residents | 0.9 | 2.5 | 12 months ending July 2026 |
| Permit change (year over year) | -12.0% | -59.3% | 12 months ending July 2026 |
| Average July high | 77°F | 77°F | 1991-2020 Normals |
| Average January low | 37°F | 37°F | 1991-2020 Normals |
| Annual precipitation | 36.5" | 34.7" | 1991-2020 Normals |
| Distance to major airport | 4 mi | 6 mi | NASR current cycle |
| Average commute | 25.6 min | 30.1 min | 2024 ACS 5-Year |
| Median age | 46.4 | 37.5 | 2024 ACS 5-Year |
A bolded value is the more favorable of the two where the metric has a clear direction. Metrics like population and density have no inherent better or worse and are shown unweighted.
Physical risk tradeoff
Mercer Island
Elevated or high exposure: earthquake.
Newcastle
Elevated or high exposure: earthquake.
Your best match
Weight what matters to you. Your preferences stay in this browser and never change either Area Score.
Mercer Island
59
Your Score
53
Area Score
Newcastle
61
Your Score
55
Area Score
Select your priorities to see which of the two fits them better.
Full profiles: Mercer Island, WA · Newcastle, WA · How this is calculated: methodology