Gairdner is a quiet locality in Western Australia within the Jerramungup local government area (postcode 6337). With a population of 105, the suburb has a blend of families and working-age professionals with a median age of 37. Households earn a median income of $100K per year, with an average household size of 2.6 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +2.3% year-on-year at the LGA level. WA employment has moved +1.9% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. WA also had 24 Commonwealth-backed major projects under construction, 12 underway, and 12 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, labourers, professionals. Employment in the area leans toward agriculture and transport & logistics. The top ancestries reported are Australian, English, Scottish.
The median weekly rent is $109 (Census 2021). The median monthly mortgage repayment is $471.
Public transport access includes 1 bus stop.
Looking at the investment signals, Population growth of +2.3% year-on-year points to strong growth demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.