The size of Witjira is approximately 7,678.5 square kilometres. It has 2 parks covering nearly 98.1% of total area. The population of Witjira in 2011 was 636 people. By 2016 the population was 204 showing a population decline of 67.9% in the area during that time. The predominant age group in Witjira is 20-29 years. Households in Witjira are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Witjira work in a labourer occupation. In 2011, 32.1% of the homes in Witjira were owner-occupied compared with 13.6% in 2016.