Mount Colah · Suburb / Locality
Total population
7,8162021▲ +10.0%
Mount Colah is home to 7,816 people — among the highest in the country, more than three times the typical suburb's 156. It ranks 912th of 15,352 suburbs nationally.
Among its neighbours it's larger than Hornsby Heights, Asquith and North Turramurra, but smaller than Waitara, Turramurra and Wahroonga.
The population has grown 10.0% since 2011, adding 710 people, slower than the 18% nationally.
Trend across censuses
Where Mount Colah sits
All suburb / locality areas, 2021. The marker is Mount Colah — higher than 94% of areas.
View full map →