Rottnest Island (postcode 6161) is a quiet locality in Western Australia within the Cockburn local government area. With a population of 166, the suburb has a mix of young professionals and families with a median age of 33. Households earn a median income of $106K per year, with an average household size of 1.9 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +2.8% 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 community & personal service, managers, technicians & trades. Employment in the area leans toward accommodation & food and construction. The top ancestries reported are Australian, English, Irish.
The current median weekly rent is $225.
On the investment side, Population growth of +2.8% year-on-year points to strong growth demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.