The size of Korobeit is approximately 14.5 square kilometres. It has 1 park covering nearly 0.1% of total area. The population of Korobeit in 2011 was 353 people. By 2016 the population was 74 showing a population decline of 79.0% in the area during that time. The predominant age group in Korobeit is 50-59 years. Households in Korobeit are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Korobeit work in a managers occupation. In 2011, 84.1% of the homes in Korobeit were owner-occupied compared with 80.8% in 2016.