Overall score
Mornington
50.5/100
Rosny
40.7/100
Mornington for investment and value; Rosny for retirees and families.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Overall score
Mornington
50.5/100
Rosny
40.7/100
Crime rate
Mornington
1456.9 / 1k
Rosny
4387.1 / 1k
Nearby amenities
Mornington
82
Rosny
15
Population
Mornington
2,469
Rosny
842
Desirability pillars scored 0–100 vs comparable suburbs
Clearer edge on lifestyle fit (score gap ≥ 3)
Who each suburb suits — composite scores out of 100
Side-by-side scores for every compared metric.
Exact figures for every metric — winner highlighted in bold.
| Category | Mornington | Rosny |
|---|---|---|
| Overall score | 50.5/100 | 40.7/100 |
| Housing (desirability) | 76.0/100 | 40.2/100 |
| Crime rate | 1456.9 / 1k | 4387.1 / 1k |
| Schools & preschools | 3 | 6 |
| Parks & reserves | 4 | 1 |
| Public transport stops | 37 | 7 |
| Walkability | 32.0/100 | 10.5/100 |
| Nearby amenities | 82 | 15 |
| Population | 2,469 | 842 |
| SEIFA (IRSAD decile) | 2/10 | 10/10 |
Put side by side, Mornington is an energetic metro smaller community where cafés and local life overlap, and Rosny is a well-connected metro smaller community with a familiar suburban feel.
Mornington tends to lead on housing affordability and a quieter safety profile, while Rosny stands out for stronger socioeconomic advantage. On housing, Mornington sits in a affordable band, compared with a expensive feel in Rosny.
On balance, retirees and families are more likely to prefer Mornington, while Rosny remains a solid alternative depending on what matters most day to day.