Kulja is a quiet locality in Western Australia within the Koorda local government area (postcode 6470). With a population of 20, the suburb has a notably youthful population with a median age of 21. Households earn a median income of $143K per year, with an average household size of 2.8 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +1.1% year-on-year at the LGA level. WA employment has moved +2.4% 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 top ancestries reported are English, Scottish, Maori.
The median weekly rent is $150 (Census 2021).
Looking at the investment signals, Population growth of +1.1% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.