Overall score
Blewitt Springs
41.8/100
Onkaparinga Hills
38.5/100
Onkaparinga Hills for families and investment.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Overall score
Blewitt Springs
41.8/100
Onkaparinga Hills
38.5/100
Crime rate
Blewitt Springs
18.9 / 1k
Onkaparinga Hills
18.0 / 1k
Nearby amenities
Blewitt Springs
1
Onkaparinga Hills
0
Population
Blewitt Springs
346
Onkaparinga Hills
2,610
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 | Blewitt Springs | Onkaparinga Hills |
|---|---|---|
| Overall score | 41.8/100 | 38.5/100 |
| Housing (desirability) | 39.7/100 | 58.2/100 |
| Crime rate | 18.9 / 1k | 18.0 / 1k |
| Parks & reserves | — | 1 |
| Public transport stops | — | 4 |
| Walkability | 0.0/100 | 6.0/100 |
| Nearby amenities | 1 | 0 |
| Planning activity | 5 | 40 |
| Population | 346 | 2,610 |
| SEIFA (IRSAD decile) | 8/10 | 7/10 |
Put side by side, Blewitt Springs is a hills smaller community where tree cover and calm define the mood, and Onkaparinga Hills is a leafier hillside mid-sized suburb with elevated outlooks. Blewitt Springs sits within day-trip reach of the capital, whereas Onkaparinga Hills is further out with more breathing room.
On the data, Blewitt Springs is stronger for nearby cafés and amenities and overall desirability; Onkaparinga Hills answers with housing affordability and a quieter safety profile. On housing, Blewitt Springs sits in a well priced band, compared with a expensive feel in Onkaparinga Hills.
On balance, investors and value-focused buyers are more likely to prefer Onkaparinga Hills, while Blewitt Springs remains a solid alternative depending on what matters most day to day.