Overall score
Hornsby
65.0/100
Mount Colah
59.0/100
Hornsby for schools; Mount Colah for retirees and families.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Overall score
Hornsby
65.0/100
Mount Colah
59.0/100
Crime rate
Hornsby
66.0 / 1k
Mount Colah
11.6 / 1k
Nearby amenities
Hornsby
912
Mount Colah
105
Population
Hornsby
22,462
Mount Colah
7,816
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 | Hornsby | Mount Colah |
|---|---|---|
| Overall score | 65.0/100 | 59.0/100 |
| Housing (desirability) | 25.0/100 | 45.8/100 |
| Crime rate | 66.0 / 1k | 11.6 / 1k |
| Schools & preschools | 11 | 2 |
| Parks & reserves | 13 | 6 |
| Public transport stops | 239 | 161 |
| Walkability | 100.0/100 | 49.0/100 |
| Nearby amenities | 912 | 105 |
| Planning activity | 36 | 13 |
| Population | 22,462 | 7,816 |
| SEIFA (IRSAD decile) | 9/10 | 10/10 |
Put side by side, Hornsby is a well-serviced metro established suburb with plenty happening nearby, and Mount Colah is a leafier hillside mid-sized suburb with elevated outlooks. Mount Colah sits among greener hillside streets, while Hornsby keeps a flatter suburban layout.
Hornsby tends to lead on schools and education options and parks and reserves, while Mount Colah stands out for housing affordability and a quieter safety profile.
Hornsby suits households prioritising schools more clearly, whereas Mount Colah is the stronger match for retirees and families.