Castle Hill vs Mount Gambier suburb comparison (NSW vs SA)
Which suburb suits you better?
Side-by-side comparison of 16 categories from official government and open data.
| Category | Castle Hill | Mount Gambier |
|---|---|---|
| Overall score | 77.3/100 | 67.1/100 |
| Housing (desirability) | 37.8/100 | 55.7/100 |
| Crime rate | 34.2 / 1k | 71.8 / 1k |
| Schools & preschools | 10 | 20 |
| Parks & reserves | 28 | — |
| Public transport stops | 497 | 121 |
| Walkability | 100.0/100 | 100.0/100 |
| Nearby amenities | 530 | 553 |
| Planning activity | 104 | 159 |
| Population | 40,874 | 25,591 |
| SEIFA (IRSAD decile) | 10/10 | 1/10 |
Quick verdicts
- Best for retireesCastle Hill
- Best for familiesCastle Hill
- Best for investmentMount Gambier
- Best for best valueMount Gambier
- Best for best schoolsCastle Hill
Comparison summary
Castle Hill (NSW) is an energetic metro larger suburb where cafés and local life overlap, while Mount Gambier (SA) is a leafier hillside larger suburb with elevated outlooks. Mount Gambier sits among greener hillside streets, while Castle Hill keeps a flatter suburban layout.
Castle Hill pulls ahead on a quieter safety profile and public transport access, whereas Mount Gambier is the better pick for housing affordability and schools and education options. Castle Hill generally means more sought-after housing, while Mount Gambier leans toward more approachable housing costs.
Retirees and families may find Castle Hill the better fit, while investors and value-focused buyers are more likely to prefer Mount Gambier.