Rocklea is a sparsely populated locality in Western Australia within the Ashburton local government area (postcode 6751). It is home to about 150 residents, with a mix of young professionals and families and a median age of 33. Households earn a median income of $25K per year, with an average household size of 2.8 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. WA employment has moved +2.4% 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 labourers, machinery operators & drivers, technicians & trades. Employment in the area leans toward mining and admin services. The top ancestries reported are Aboriginal Australian, English, Australian.
The median weekly rent is $100 (Census 2021).
On the investment side, 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.