Wirrulla is a quiet locality in South Australia within the Streaky Bay local government area (postcode 5661). With a population of 107, the suburb has an established demographic with a median age of 41. Households earn a median income of $51K per year, with an average household size of 2.6 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.5% 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, labourers. Employment in the area leans toward agriculture and manufacturing. The top ancestries reported are Australian, English, Aboriginal Australian.
The median weekly rent is $111 (Census 2021). The median monthly mortgage repayment is $433.
Wirrulla is served by 1 school, including 1 combined. The average ICSEA score is 962, which is around the national average of 1,000. The crime rate in the Streaky Bay LGA is low at 935 incidents per 100,000 population.
On the investment side, Population growth of +0.5% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.