Overall score
Karnup
23.4/100
Secret Harbour
61.3/100
Karnup vs Secret Harbour, WA suburb comparison
Secret Harbour for retirees and families.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Visual comparison
KarnupSecret Harbour
Crime rate
Karnup
5851.9 / 1k
Secret Harbour
1072.2 / 1k
Nearby amenities
Karnup
0
Secret Harbour
125
Population
Karnup
2,096
Secret Harbour
12,474
Metric leadKarnup 0Secret Harbour 9across 9 compared metrics
Livability profile
Desirability pillars scored 0–100 vs comparable suburbs
Quick verdicts
Clearer edge on lifestyle fit (score gap ≥ 3)
- Best for retireesSecret Harbour
- Best for familiesSecret Harbour
- Best for beach lifestyleSecret Harbour
- Best for investmentSecret Harbour
- Best for best valueSecret Harbour
- Best for best schoolsSecret Harbour
Audience fit
Who each suburb suits — composite scores out of 100
All metrics
Side-by-side scores for every compared metric.
Full comparison table
Exact figures for every metric — winner highlighted in bold.
| Category | Karnup | Secret Harbour |
|---|---|---|
| Overall score | 23.4/100 | 61.3/100 |
| Housing (desirability) | 44.7/100 | 89.2/100 |
| Crime rate | 5851.9 / 1k | 1072.2 / 1k |
| Schools & preschools | — | 4 |
| Parks & reserves | 1 | 4 |
| Public transport stops | 1 | 56 |
| Walkability | 1.5/100 | 46.0/100 |
| Nearby amenities | 0 | 125 |
| Planning activity | 1 | — |
| Population | 2,096 | 12,474 |
| SEIFA (IRSAD decile) | 6/10 | 8/10 |
Comparison summary
Karnup is a settled metro smaller community that balances access with everyday calm, while Secret Harbour is a coastal established suburb shaped by beach life and outdoor living. Secret Harbour leans into coastal living, while Karnup feels more inland and suburban in character.
Karnup pulls ahead on improving crime trends, whereas Secret Harbour is the better pick for housing affordability and a quieter safety profile.
On balance, retirees and families are more likely to prefer Secret Harbour, while Karnup remains a solid alternative depending on what matters most day to day.