The size of Connellan is approximately 38.5 square kilometres. The population of Connellan in 2011 was 478 people. By 2016 the population was 387 showing a population decline of 19.0% in the area during that time. The predominant age group in Connellan is 40-49 years. Households in Connellan are primarily couples with children and are likely to be repaying $2400 - $2999 per month on mortgage repayments. In general, people in Connellan work in a professional occupation. In 2011, 65.3% of the homes in Connellan were owner-occupied compared with 75% in 2016. Currently the median sales price of houses in the area is $472,500.