Clarendon is a close-knit residential community in South Australia within the Onkaparinga local government area (postcode 5157). It is home to about 643 residents, with an older-leaning population and a median age of 48. Households earn a median income of $107K 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 +0.9% 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 professionals, managers, technicians & trades. Employment in the area leans toward healthcare and construction. The top ancestries reported are English, Australian, Scottish.
Median house prices in Clarendon stand at $880,000, having declined steeply by 16.8% over the last twelve months. The current median weekly rent is $675. This gives a gross rental yield of approximately 4.0%. The median monthly mortgage repayment is $2,119.
Clarendon is served by 1 school, including 1 primary. The average ICSEA score is 1042, which is around the national average of 1,000. The crime rate in the Onkaparinga LGA is below average at 2,333 incidents per 100,000 population.
From an investment perspective, Clarendon shows a gross rental yield of approximately 4.0%, rated as moderate yield. Property prices are near the state median ($880K/$980K). The price-to-income ratio of 8.2x is considered moderate. House prices have moved -16.8% year-on-year. Population growth of +0.9% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.