Mount Colah
NSW 2079 · Hornsby
7,816 (2021) → 8,304 est. (2025) · Moderate Growth
Part of the Hornsby local government area (est. 144,237 residents)
Based on transport, liveability & education. Safety is scored separately below.
Mount Colah is a moderate growth suburb in Hornsby, NSW 2079, about 24km from Sydney CBD. Its median house price of $1.72M is more expensive than the NSW average. The suburb has 2 schools, a transport score of 91/100, and is about 13km inland. Mount Colah has an overall score of 81/100, based on transport, liveability and education, plus a separate residential safety score of 100/100.
Demographics
Age distribution
Housing tenure
- Owned
- Mortgage
- Rented
Commute to work
- Car
- Public transport
- Walk/cycle
- Work from home
Top countries of birth: England (4.13%), India (3.7%), China (3.17%), Philippines (2.01%), Iran (1.91%)
Top languages: Mandarin (3.89%), Persian ED (2.32%), Hindi (1.39%), Cantonese (1.31%), Spanish (1.13%)
Source: ABS Census 2021
Property
Median price history
Source: NSW Valuer General · Updated Q4 2025
Residential Safety
Recorded residential incidents (latest year), with rate per 100,000 residents:
Residential incidents over time
Sum of the five residential categories above — not all recorded crime.
Area crime context
An independent score — crime data quality varies by state, so safety is shown separately and is not part of the overall score.
Source: BOCSAR · Updated 2025
Schools
Average ICSEA of schools within 10km 1120 (above the national average of 1000).
In suburb
- Mount Colah Public SchoolPrimary · GovernmentICSEA 1097
- Gibberagong Environmental Education CentreCombined · Government
Nearby (within 10km)
- Mount Kuring-gai Public SchoolPrimary · Government · 1.3kmICSEA 1079
- Asquith Public SchoolPrimary · Government · 2.5kmICSEA 1096
- St Patrick's Catholic Primary SchoolPrimary · Catholic · 2.5kmICSEA 1125
- Hornsby Heights Public SchoolPrimary · Government · 2.8kmICSEA 1103
- Asquith Girls High SchoolSecondary · Government · 2.8kmICSEA 1075
- Hornsby North Public SchoolPrimary · Government · 3.1kmICSEA 1154
- Asquith Boys High SchoolSecondary · Government · 3.6kmICSEA 1044
- Ku-ring-gai High SchoolSecondary · Government · 3.6kmICSEA 1087
- Waitara Public SchoolPrimary · Government · 4.8kmICSEA 1153
- Hornsby Girls High SchoolSecondary · Government · 5kmICSEA 1202
- St Edmund's CollegeSecondary · Independent · 5.2kmICSEA 1110
- Blue Gum Community SchoolPrimary · Independent · 5.2kmICSEA 1069
Source: ACARA 2023
Transport
Source: TfNSW GTFS
Liveability
Amenities within 2–3km
Counted within a short distance of the suburb centre (so nearby facilities count), with the in-boundary count shown beneath.
Source: Bureau of Meteorology · OpenStreetMap
Population & Growth
Moderate GrowthSource: ABS ERP & NSW DPHI
Nearby suburbs in Hornsby
Compare Mount Colah with another suburb
Compare two suburbs
Frequently asked questions about Mount Colah
Is Mount Colah safe?
Mount Colah has a residential safety score of 100/100, based on residential crime (break-ins, theft from dwellings, vehicle theft, domestic assault and robbery) per resident relative to the NSW median. Its total recorded incident rate is 1,267 per 100,000 across all categories.
What are property prices in Mount Colah?
In Mount Colah, the median house price is $1.72M and the median unit price is $650K. Median weekly house rent is $850.
How far is Mount Colah from Sydney CBD?
Mount Colah is about 24.1 km from Sydney CBD, an estimated 56 minutes by public transport.
What schools are in Mount Colah?
Mount Colah has 2 schools, with an average ICSEA of 1097 (the national average is 1000). Schools are listed factually, not ranked.
What is public transport like in Mount Colah?
Mount Colah has a transport score of 91/100, including 1 train station and 78 bus stops.