Mariginiup is a small locality in Western Australia within the Wanneroo local government area (postcode 6078). With a population of 876, the suburb has an established demographic with a median age of 43. Households earn a median income of $116K per year, with an average household size of 3.1 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +3.2% 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, managers, professionals. Employment in the area leans toward construction and retail trade. The top ancestries reported are English, Australian, Italian.
The median house price in Mariginiup is $1.1 million, having surged by 11.1% over the past year. The median weekly rent is $525 (Census 2021). This gives a gross rental yield of approximately 2.5%. The median monthly mortgage repayment is $2,817.
From an investment perspective, Mariginiup shows a gross rental yield of approximately 2.5%, rated as low yield. Property prices are near the state median ($1.1M/$1.0M). The price-to-income ratio of 9.5x is considered moderate. House prices have moved +11.1% year-on-year. Population growth of +3.2% year-on-year points to strong growth demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.