Located in South Australia within the Orroroo Carrieton local government area, Black Rock is a small, quiet locality (postcode 5431). It is home to about 36 residents, with a predominantly older resident base and a median age of 62. Households earn a median income of $75K per year, with an average household size of 2.2 people. Recent annual estimates show population movement softening across the broader catchment, with population growth running at -0.8% 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 education. The top ancestries reported are English, Irish, Scottish.
The median monthly mortgage repayment is $200.
The crime rate in the Orroroo Carrieton LGA is below average at 2,778 incidents per 100,000 population.
From an investment perspective, Population growth of -0.8% year-on-year points to declining demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.