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Demographics in Mount Colah (2079)

Mount Colah (2079) sits within the Hornsby LGA. The ABS Census provides the most comprehensive and authoritative source of demographic information at the suburb level, collected every five years. Key indicators for property buyers include median household income (a demand signal), the proportion of renters versus owner-occupiers (a tenure signal), and household size (a supply indicator for the dwelling types most in demand).

2079

Suburb demographics

Within SAL: Mount Colah · ABS Census 2021

Population7,816usual residents
Median age40years
Avg household2.9people
Household income$2,505 /wk
Median rent$525 /wk
Median mortgage$2,544 /mo
Housing tenure
33%Owned outright
48%With mortgage
18%Renting
1%Social housing
Dwelling mix
84%House
4%Semi
12%Flat / apt
Household composition
47%Couple + kids
25%Couple, no kids
10%Single parent
15%Lone person

ABS 2021 Census GCP (CC BY 4.0) · Suburb & Locality geography · Data may not reflect current conditions

Median household income is a key signal for property investors considering Mount Colah. Higher-income areas can sustain higher rents, but they also carry higher entry prices. The yield arithmetic does not always favour premium suburbs. The income distribution also matters: a suburb with a wide spread between low and high earners is undergoing gentrification and may offer stronger capital growth prospects than one with a more homogeneous income profile.

Demographics in nearby suburbs

Asquith 2077Berowra 2081Mount Kuring-Gai 2080Normanhurst 2076Thornleigh 2120

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