Mount Colah
NSW 2079 • Greater Sydney
About Mount Colah
Mount Colah is a leafy outer suburb of northern Sydney, located 24 kilometres north of the CBD within the Hornsby Shire. With a population of approximately 7,800, it is one of Sydney's most northerly suburbs and the second highest by elevation at 206 metres. The suburb is bordered by Ku-ring-gai Chase National Park to the east, giving it a distinctly bushland character. Around two-thirds of residents are Australian-born, with a predominantly family-oriented demographic.
Mount Colah offers a tranquil, nature-focused lifestyle while maintaining convenient rail access to Sydney. The suburb is a gateway to Ku-ring-gai Chase National Park, with popular walking tracks including the Kalkari Discovery Centre and Bobbin Head trail. Local amenities centre on the Pacific Highway and the area around the train station, with a small shopping strip, cafes, and services. Families are attracted by the quiet streets, bushland setting, quality local schools, and strong community feel. The suburb is popular with professionals who commute to the CBD via the North Shore line.
Mount Colah falls under postcode 2079 and is governed by Hornsby Council (LGA). For state elections, residents vote in the Hornsby electorate.
Location
Transport & Commute
Nearest Train Stations
Bus Services
- 595 — Hornsby via Pacific Highway 12 mins
- 596 — Wahroonga via Asquith 15 mins
Commute to Sydney CBD
🛣️ Direct train to Central via T1 North Shore line. Express services from Hornsby cut commute time.
Station area has a small shopping strip; most residential streets require a car for major errands
Supermarkets Nearby
No major supermarkets listed for this suburb.
Schools
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Mount Colah Public School ICSEA 1098Telopea St
Crime Statistics
NSW crime data is provided by the Bureau of Crime Statistics and Research (BOCSAR). Use the interactive tool below to explore recorded crime incidents in Mount Colah by offence type, year and trend.
📊 View Mount Colah Crime Statistics on BOCSAR ↗Data source: NSW Bureau of Crime Statistics and Research · Search for "Mount Colah" under Suburb
Housing 2021 Census
6 state housing + 6 community housing dwellings (ABS 2021 Census)
Educational Institution Attending 2021 Census
School Sector Breakdown
Demographics
Population Growth
Gender Distribution (Census 2021)
Income Comparison
Country of Birth 2021 Census
Top Countries of Birth (excl. Australia)
- 1. England 323
- 2. India 289
- 3. China 248
- 4. Philippines 157
- 5. Iran 149
- 6. New Zealand 133
- 7. South Africa 98
- 8. South Korea 78
- 9. Sri Lanka 58
- 10. Hong Kong 56
Ancestry 2021 Census
Top ancestries reported (people may report up to two)