Overall score
St Clair
75.0/100
St Marys
61.8/100
St Clair vs St Marys, NSW suburb comparison
St Clair for retirees and families.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Visual comparison
St ClairSt Marys
Crime rate
St Clair
29.9 / 1k
St Marys
123.6 / 1k
Nearby amenities
St Clair
431
St Marys
507
Population
St Clair
19,942
St Marys
13,256
Metric leadSt Clair 6St Marys 41 tiedacross 11 compared metrics
Livability profile
Desirability pillars scored 0–100 vs comparable suburbs
Quick verdicts
Clearer edge on lifestyle fit (score gap ≥ 3)
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 | St Clair | St Marys |
|---|---|---|
| Overall score | 75.0/100 | 61.8/100 |
| Housing (desirability) | 52.9/100 | 32.6/100 |
| Crime rate | 29.9 / 1k | 123.6 / 1k |
| Schools & preschools | 8 | 10 |
| Parks & reserves | 10 | 15 |
| Public transport stops | 156 | 176 |
| Walkability | 100.0/100 | 100.0/100 |
| Nearby amenities | 431 | 507 |
| Planning activity | 18 | 40 |
| Population | 19,942 | 13,256 |
| SEIFA (IRSAD decile) | 5/10 | 2/10 |
Comparison summary
St Clair is an energetic metro established suburb where cafés and local life overlap, while St Marys is an energetic metro established suburb where cafés and local life overlap.
St Clair tends to lead on housing affordability and a quieter safety profile, while St Marys stands out for parks and reserves and public transport access. On housing, St Clair sits in a expensive band, compared with a affordable feel in St Marys.
On balance, retirees and families are more likely to prefer St Clair, while St Marys remains a solid alternative depending on what matters most day to day.