Wirrega (postcode 5267) is a sparsely populated locality in South Australia within the Tatiara local government area. It is home to about 35 residents, with an established family demographic and a median age of 43. Households earn a median income of $85K per year, with an average household size of 2.5 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, professionals, machinery operators & drivers. Employment in the area leans toward agriculture and transport & logistics. The top ancestries reported are Australian, Irish, German.
The median weekly rent is $138 (Census 2021). The median monthly mortgage repayment is $1,409.
The crime rate in the Tatiara LGA is below average at 2,857 incidents per 100,000 population.
Looking at the investment signals, 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.