Located in South Australia within the Kangaroo Island local government area, American River is a small, quiet locality (postcode 5221). The area has roughly 280 residents and an older demographic, with a median age of 63. Households earn a median income of $43K per year, with an average household size of 1.8 people. Recent annual estimates show population movement staying broadly stable 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 labourers, managers, technicians & trades. Employment in the area leans toward accommodation & food and agriculture. The top ancestries reported are English, Australian, Scottish.
The median weekly rent is $200 (Census 2021). The median monthly mortgage repayment is $696.
The crime rate in the Kangaroo Island LGA is low at 714 incidents per 100,000 population.
Looking at the investment signals, Population growth of +0.8% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.