91,335
Higher than 66% of sub-region (sa3) areas.
Estimated resident population (ABS), 2025.
Hornsby · Sub-region (SA3)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
Steady growth defines the local economy in Hornsby, where 91,335 people now live. While the population continues to climb, the pace of this increase is slower than in most other parts of the country.
Annual population estimates and change since the census.
The population grew by 4.2% since 2021, which is lower than most areas. This growth rate is a little below the New South Wales figure of 6.1%.
91,335
Higher than 66% of sub-region (sa3) areas.
Estimated resident population (ABS), 2025.
4.2%
Lower than 65% of sub-region (sa3) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Australian Bureau of Statistics. (2021). Economy & Advantage in Hornsby [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/12102/hornsby/topic/economy-advantage