32 Walmsley Street

Castletown WA 6450

The size of Castletown is approximately 3.6 square kilometres. It has 7 parks covering nearly 2.5% of total area. The population of Castletown in 2016 was 4001 people. By 2021 the population was 3968 showing a population decline of 0.8% in the area during that time. The predominant age group in Castletown is 0-9 years. Households in Castletown are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Castletown work in a trades occupation.In 2021, 67.40% of the homes in Castletown were owner-occupied compared with 66.50% in 2016.

Castletown has 2,118 properties. Over the last 5 years, Houses in Castletown have seen a 77.77% increase in median value, while Units have seen a 69.99% increase. As at 30 November 2025:

• The median value for Houses in Castletown is $573,075 while the median value for Units is $400,924.
• Houses have a median rent of $550 while Units have a median rent of $258.