Overall score
Blacktown
68.2/100
Mount Gambier
67.1/100
Blacktown vs Mount Gambier suburb comparison (NSW vs SA)
Blacktown for retirees and families; Mount Gambier for investment and value.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Visual comparison
BlacktownMount Gambier
Crime rate
Blacktown
124.0 / 1k
Mount Gambier
67.0 / 1k
Nearby amenities
Blacktown
589
Mount Gambier
554
Population
Blacktown
50,961
Mount Gambier
25,591
Metric leadBlacktown 6Mount Gambier 31 tiedacross 10 compared metrics
Livability profile
Desirability pillars scored 0–100 vs comparable suburbs
Quick verdicts
Clearer edge on lifestyle fit (score gap ≥ 3)
- Best for retireesBlacktown
- Best for familiesBlacktown
- Best for investmentMount Gambier
- Best for best valueMount Gambier
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 | Blacktown | Mount Gambier |
|---|---|---|
| Overall score | 68.2/100 | 67.1/100 |
| Housing (desirability) | 36.0/100 | 55.7/100 |
| Crime rate | 124.0 / 1k | 67.0 / 1k |
| Schools & preschools | 16 | 20 |
| Parks & reserves | 29 | — |
| Public transport stops | 538 | 121 |
| Walkability | 100.0/100 | 100.0/100 |
| Nearby amenities | 589 | 554 |
| Planning activity | 84 | 197 |
| Population | 50,961 | 25,591 |
| SEIFA (IRSAD decile) | 4/10 | 1/10 |
Comparison summary
Blacktown (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 Blacktown keeps a flatter suburban layout.
Blacktown tends to lead on public transport access and nearby cafés and amenities, while Mount Gambier stands out for housing affordability and a quieter safety profile. On housing, Blacktown sits in a expensive band, compared with a affordable feel in Mount Gambier.
Blacktown suits retirees and families more clearly, whereas Mount Gambier is the stronger match for investors and value-focused buyers.