Hallett is a small, quiet locality in South Australia within the Goyder local government area (postcode 5419). It is home to about 166 residents, with a settled, mature resident base and a median age of 46. Households earn a median income of $41K per year, with an average household size of 2.2 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at -0.1% year-on-year at the LGA level. SA employment has moved +2.1% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. SA also had 21 Commonwealth-backed major projects under construction, 7 underway, and 7 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 managers, clerical & administrative, professionals. Employment in the area leans toward agriculture and healthcare. The top ancestries reported are Australian, English, Irish.
The median weekly rent is $140 (Census 2021). The median monthly mortgage repayment is $839.
The crime rate in the Goyder LGA is low at 602 incidents per 100,000 population.
On the investment side, Population growth of -0.1% year-on-year points to declining demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.