Located in Queensland within the Townsville local government area, Castle Hill is a close-knit residential community (postcode 4810). It is home to about 972 residents, with a mature demographic and a median age of 46. Households earn a median income of $197K per year, with an average household size of 2.7 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +1.1% year-on-year at the LGA level. QLD employment has moved +1.5% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. QLD also had 35 Commonwealth-backed major projects under construction, 16 underway, and 30 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 professionals, managers, community & personal service. Employment in the area leans toward healthcare and education. The top ancestries reported are English, Australian, Irish.
The median weekly rent is $570 (Census 2021). The median monthly mortgage repayment is $2,817.
The crime rate in the Townsville LGA is higher than average at 10,565 incidents per 100,000 population.
From an investment perspective, Population growth of +1.1% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.