Castlereagh is a close-knit residential community in New South Wales within the Penrith local government area (postcode 2749). The area has roughly 1,248 residents and an established family demographic, with a median age of 38. Households earn a median income of $123K per year, with an average household size of 3.4 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +1.2% year-on-year at the LGA level. NSW employment has moved +1.2% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. NSW also had 35 Commonwealth-backed major projects under construction, 17 underway, and 67 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, clerical & administrative, managers. Employment in the area leans toward construction and retail trade. The top ancestries reported are English, Australian, Maltese.
Castlereagh has a median house price of $2.7 million, which has fallen sharply by 12.9% year-on-year. The current median weekly rent is $665. This gives a gross rental yield of approximately 1.3%. The median monthly mortgage repayment is $3,033.
Castlereagh is served by 3 schools, including 1 primary, 2 combined. The average ICSEA score is 995, which is around the national average of 1,000. Public transport access includes 11 bus stops. The crime rate in the Penrith LGA is below average at 3,984 incidents per 100,000 population.
From an investment perspective, Castlereagh shows a gross rental yield of approximately 1.3%, rated as low yield. Property prices are above the state median ($2.7M/$1.5M), placing it in the premium segment. The price-to-income ratio of 21.9x is considered stretched. House prices have moved -12.9% year-on-year. Population growth of +1.2% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.