Located in South Australia within the Anangu Pitjantjatjara Yunkunytjatjara local government area, Kalka is a sparsely populated locality (postcode 0872). It is home to about 112 residents, with a young professional demographic and a median age of 26. Households earn a median income of $70K per year, with an average household size of 5.6 people. 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, clerical & administrative, managers. Employment in the area leans toward arts & recreation and agriculture. The top ancestries reported are Aboriginal Australian, English.
The median weekly rent is $100 (Census 2021).
The crime rate in the Anangu Pitjantjatjara Yunkunytjatjara LGA is higher than average at 18,750 incidents per 100,000 population.