Ranked #29 of 299 Adelaide suburbs for parks. Every number below comes from open data — official crime statistics, ABS census and GPS activity traces — not opinion.
| Population | 3,010 |
| Area | 1.57 km² |
| Median household income | $1,490/wk |
| Median rent | $285/wk |
| Crime rate | 103.0 incidents per 1,000 people |
| Parks | 8 (5.55 ha per 1,000 people) |
| Within 400m of a park | 97.9% of the suburb |
| Cafés | 1 |
| Gyms & sport venues | 6 |
Source: ABS Census 2021. We do not hold a suburb-level renter/owner split, families-with-children rate, born-overseas rate or dwelling-type breakdown for St Marys — the fields above are everything the census data behind this site currently carries.
It is on the less safe side of Adelaide, scoring 16/100 for safety and ranking #252 of 299 suburbs. Recorded offences run at 103 per 1,000 residents. That score is recorded offences per 1,000 residents from official crime statistics, as a percentile against every other suburb in the city.
Mixed, and the weak spot is safety. Here are the family measures we can compute — safety 16/100, parks 87/100 and green space 83/100, with a median age of 35. We do not hold school catchment data, so this does not account for schools — see our Adelaide families ranking for the full method.
Median rent is $285 a week, and household income ranks #189 of 299 in Adelaide. Against what the suburb offers, it scores 67/100 for value.
It scores 41/100 for transit, #120 of 299 in Adelaide. That measures train, tram and bus access within the suburb boundary, weighted by mode.
98% of the suburb is within walking distance of a park, at 5.5 hectares per 1,000 residents — 83/100 for green space.
Scores are percentiles against every other suburb in Adelaide: 100 is the
best in the city, 50 is mid-table. Updated September 2026. Sources: open GPS activity traces,
official crime statistics, ABS census, OpenStreetMap.
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