The size of Wentworth is approximately 157.4 square kilometres. It has 4 parks covering nearly 95% of total area. The population of Wentworth in 2006 was 450 people. By 2011 the population was 146 showing a population decline of 67.6% in the area during that time. The predominant age group in Wentworth is 60-69 years. Households in Wentworth are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Wentworth work in a managers occupation. In 2006, 70.6% of the homes in Wentworth were owner-occupied compared with 80.9% in 2011.