Located in South Australia within the Adelaide Plains local government area, Long Plains is a sparsely populated locality (postcode 5501). With a population of 62, the suburb has a predominantly early-career demographic with a median age of 29. Households earn a median income of $85K per year, with an average household size of 3.6 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +3.8% 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, professionals. Employment in the area leans toward transport & logistics and agriculture. The top ancestries reported are English, Australian, Scottish.
The median weekly rent is $310 (Census 2021). The median monthly mortgage repayment is $867.
Looking at the investment signals, Population growth of +3.8% year-on-year points to strong growth demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.