Overall score
Ngunnawal
64.3/100
Mount Gambier
69.1/100
Ngunnawal vs Mount Gambier suburb comparison (ACT vs SA)
Ngunnawal for retirees and investment; Mount Gambier for schools.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Visual comparison
NgunnawalMount Gambier
Crime rate
Ngunnawal
12.3 / 1k
Mount Gambier
58.7 / 1k
Nearby amenities
Ngunnawal
111
Mount Gambier
554
Population
Ngunnawal
10,957
Mount Gambier
25,591
Metric leadNgunnawal 4Mount Gambier 5across 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 retireesNgunnawal
- Best for investmentNgunnawal
- Best for best valueNgunnawal
- Best for best schoolsMount 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 | Ngunnawal | Mount Gambier |
|---|---|---|
| Overall score | 64.3/100 | 69.1/100 |
| Housing (desirability) | 76.0/100 | 55.7/100 |
| Crime rate | 12.3 / 1k | 58.7 / 1k |
| Schools & preschools | 6 | 20 |
| Parks & reserves | 4 | — |
| Public transport stops | — | 121 |
| Walkability | 61.0/100 | 100.0/100 |
| Nearby amenities | 111 | 554 |
| Planning activity | 5 | 201 |
| Population | 10,957 | 25,591 |
| SEIFA (IRSAD decile) | 9/10 | 1/10 |
Comparison summary
Ngunnawal (ACT) is a lively metro established suburb with dining and everyday convenience close by, while Mount Gambier (SA) is a leafier hillside larger suburb with elevated outlooks. Mount Gambier sits among greener hillside streets, while Ngunnawal keeps a flatter suburban layout.
Ngunnawal pulls ahead on housing affordability and a quieter safety profile, whereas Mount Gambier is the better pick for schools and education options and walkability. Ngunnawal generally means more sought-after housing, while Mount Gambier leans toward more approachable housing costs.
Retirees and investors may find Ngunnawal the better fit, while households prioritising schools are more likely to prefer Mount Gambier.