Castletown is a smaller residential area in Western Australia within the Esperance local government area (postcode 6450). With a population of 3,968, the suburb has an established family demographic with a median age of 38. Households earn a median income of $84K per year, with an average household size of 2.4 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.3% year-on-year at the LGA level. WA employment has moved +1.9% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. WA also had 24 Commonwealth-backed major projects under construction, 12 underway, and 12 in planning as at 2025-09-01, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are technicians & trades, machinery operators & drivers, professionals. Employment in the area leans toward retail trade and transport & logistics. The top ancestries reported are Australian, English, Scottish.
The median house price in Castletown is $630,000, having climbed sharply by 21.2% over the past year. The current median weekly rent is $550. This gives a gross rental yield of approximately 4.5%. The median monthly mortgage repayment is $1,717.
Public transport access includes 32 bus stops.
On the investment side, The gross rental yield works out to roughly 4.5%, which reads as moderate yield. Property prices sit below the state median ($630K/$1.0M), which can point to relative value. The price-to-income ratio of 7.5x is considered moderate. House prices have moved +21.2% year-on-year. Population growth of +0.3% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.