Mount Mellum is a sparsely populated locality in Queensland within the Sunshine Coast local government area (postcode 4550). It is home to about 457 residents, with a settled, mature resident base and a median age of 52. Households earn a median income of $101K per year, with an average household size of 2.7 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +2.0% 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, community & personal service, technicians & trades. Employment in the area leans toward education and healthcare. The top ancestries reported are English, Australian, Irish.
The median weekly rent is $420 (Census 2021). The median monthly mortgage repayment is $1,668.
The crime rate in the Sunshine Coast LGA is below average at 3,582 incidents per 100,000 population.
From an investment perspective, Population growth of +2.0% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.