1709/9 Gay St

Castle Hill NSW 2154

The size of Castle Hill is approximately 18.9 square kilometres. It has 68 parks covering nearly 12.1% of total area. The population of Castle Hill in 2011 was 37,916 people. By 2016 the population was 39,624 showing a population growth of 4.5% in the area during that time. The predominant age group in Castle Hill is 40-49 years. Households in Castle Hill are primarily couples with children and are likely to be repaying $3000 - $3999 per month on mortgage repayments. In general, people in Castle Hill work in a professional occupation. In 2011, 79% of the homes in Castle Hill were owner-occupied compared with 74.5% in 2016.

Castle Hill has 18,542 properties. Over the last 5 years, Houses in Castle Hill have seen a 44.98% increase in median value, while Units have seen a 11.63% increase. As at 28 February 2025:

• The median value for Houses in Castle Hill is $2,301,510 while the median value for Units is $983,317.
• Houses have a median rent of $875 while Units have a median rent of $735.