Mount Cooper is a sparsely populated locality in South Australia within the Streaky Bay local government area (postcode 5671). It is home to about 14 residents, with a younger resident base and a median age of 18. Households earn a median income of $47K per year, with an average household size of 4.3 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 top ancestries reported are Australian, English, Scottish.
The crime rate in the Streaky Bay LGA is moderate at 7,143 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.