Karcultaby (postcode 5654) is a sparsely populated locality in South Australia within the Wudinna local government area. It is home to about 23 residents, with a mix of families and early-career residents and a median age of 34. Households earn a median income of $58K per year, with an average household size of 3.7 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.2% 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 managers, technicians & trades. The top ancestries reported are Australian, English, Irish.
The median weekly rent is $95 (Census 2021).
Karcultaby is served by 1 school, including 1 combined. The average ICSEA score is 998, which is around the national average of 1,000.
From an investment perspective, Population growth of +0.2% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.