Hardwicke Bay (postcode 5575) is a quiet locality in South Australia within the Yorke Peninsula local government area. The area has roughly 149 residents and a predominantly older resident base, with a median age of 61. Households earn a median income of $38K per year, with an average household size of 1.9 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.7% 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 professionals, labourers, community & personal service. Employment in the area leans toward healthcare and agriculture. The top ancestries reported are English, Australian, German.
The current median weekly rent is $380. The median monthly mortgage repayment is $1,038.
The crime rate in the Yorke Peninsula LGA is low at 671 incidents per 100,000 population.
From an investment perspective, Population growth of +0.7% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.