Wattle Flat (postcode 5203) is a small, quiet locality in South Australia within the Yankalilla local government area. With a population of 149, the suburb has an older-leaning population with a median age of 49. Households earn a median income of $81K 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 +1.4% year-on-year at the LGA level. SA employment has moved +1.6% 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, community & personal service, clerical & administrative. Employment in the area leans toward construction and healthcare. The top ancestries reported are Australian, English, Scottish.
The median weekly rent is $305 (Census 2021). The median monthly mortgage repayment is $1,408.
The crime rate in the Yankalilla LGA is low at 1,342 incidents per 100,000 population.
Looking at the investment signals, Population growth of +1.4% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.