Happy Valley is a small community in Queensland within the Mount Isa local government area (postcode 4825). It is home to about 733 residents, with a younger, working-age population and a median age of 30. Households earn a median income of $137K per year, with an average household size of 2.9 people. Recent annual estimates show population movement softening across the broader catchment, with population growth running at -0.7% 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 technicians & trades, professionals, machinery operators & drivers. Employment in the area leans toward mining and healthcare. The top ancestries reported are Australian, English, Aboriginal Australian.
The median weekly rent is $420 (Census 2021). The median monthly mortgage repayment is $1,667.
Happy Valley is served by 1 school, including 1 primary. The average ICSEA score is 927, which is below the national average of 1,000. The crime rate in the Mount Isa LGA is higher than average at 20,801 incidents per 100,000 population.
On the investment side, Population growth of -0.7% year-on-year points to declining demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.