Overall score
Old Noarlunga
39.8/100
Port Noarlunga South
50.3/100
Port Noarlunga South for retirees and families.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Overall score
Old Noarlunga
39.8/100
Port Noarlunga South
50.3/100
Crime rate
Old Noarlunga
82.2 / 1k
Port Noarlunga South
23.9 / 1k
Nearby amenities
Old Noarlunga
60
Port Noarlunga South
93
Population
Old Noarlunga
1,531
Port Noarlunga South
3,058
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 | Old Noarlunga | Port Noarlunga South |
|---|---|---|
| Overall score | 39.8/100 | 50.3/100 |
| Housing (desirability) | 66.0/100 | 74.1/100 |
| Crime rate | 82.2 / 1k | 23.9 / 1k |
| Schools & preschools | 1 | 2 |
| Public transport stops | 15 | 20 |
| Walkability | 38.5/100 | 36.0/100 |
| Nearby amenities | 60 | 93 |
| Planning activity | 25 | 117 |
| Population | 1,531 | 3,058 |
| SEIFA (IRSAD decile) | 2/10 | 5/10 |
Put side by side, Old Noarlunga is an energetic metro smaller community where cafés and local life overlap, and Port Noarlunga South is a coastal mid-sized suburb shaped by beach life and outdoor living. Port Noarlunga South leans into coastal living, while Old Noarlunga feels more inland and suburban in character.
Old Noarlunga pulls ahead on walkability and a calmer planning outlook, whereas Port Noarlunga South is the better pick for housing affordability and a quieter safety profile. Old Noarlunga generally means more approachable housing costs, while Port Noarlunga South leans toward more sought-after housing.
On balance, retirees and families are more likely to prefer Port Noarlunga South, while Old Noarlunga remains a solid alternative depending on what matters most day to day.