Mount Colah NSW

Postcode 2079 · Hornsby LGA

Mount Colah is a mid-sized suburb in New South Wales within the Hornsby local government area (postcode 2079). With a population of 7,816, the suburb has an established demographic with a median age of 40. Households earn a median income of $130K per year, with an average household size of 2.9 people. The most common occupations are professionals, managers, clerical & administrative. The top ancestries reported are English, Australian, Irish.

The median house price in Mount Colah is $1.9 million, having surged 11.8% over the past year. Units have a median price of $700,000 (+6.1% YoY). The current median weekly rent is $745. This gives a gross rental yield of approximately 2.0%. The median monthly mortgage repayment is $2,544.

Mount Colah is served by 1 school, including 1 primary. The average ICSEA score is 1098, which is above the national average of 1,000. Public transport access includes 73 bus stops. The crime rate in the Hornsby LGA is low at 1,223 incidents per 100,000 population.

From an investment perspective, Mount Colah offers a gross rental yield of 2.0%, rated as low yield. Property prices are near the state median ($1.9M/$1.5M). The price-to-income ratio of 14.6x is considered stretched. House prices have moved +11.8% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.0% Low Yield
Price vs State$1.9M/$1.5M Near Median
Affordability14.6x Stretched
Price Momentum+11.8% Rising
SEIFA INDEX (ABS)
Advantage10/10
Education10/10
Economic10/10
Disadvantage10/10
MEDIAN HOUSE
$1.9M
11.8% YoY
MEDIAN UNIT
$700K
6.1% YoY
MEDIAN RENT /WK
$525
POPULATION
7,816
DEMOGRAPHICS
Median Age40
Household Size2.9
HH Income /wk$2,505
Personal Income /wk$1032
Mortgage /mth$2,544
CRIME (Hornsby LGA)
Crime Rate (per 100k)1,223
Total Incidents1,894
TRANSPORT
Bus Stops73
SCHOOLS (1)
Avg ICSEA1098
Total Students442
Government1
Mount Colah Public SchoolPrimary · Government · ICSEA 1098
Data: 2026