The size of Karloo is approximately 3.9 square kilometres. It has 1 park covering nearly 0.3% of total area. The population of Karloo in 2011 was 650 people. By 2016 the population was 590 showing a population decline of 9.2% in the area during that time. The predominant age group in Karloo is 0-9 years. Households in Karloo are primarily single parents and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Karloo work in a labourer occupation. In 2011, 52.9% of the homes in Karloo were owner-occupied compared with 51.5% in 2016. Currently the median sales price of houses in the area is $135,000.