The size of Chisholm is approximately 3.1 square kilometres. It has 14 parks covering nearly 14.7% of total area. The population of Chisholm in 2011 was 5,238 people. By 2016 the population was 5,128 showing a population decline of 2.1% in the area during that time. The predominant age group in Chisholm is 50-59 years. Households in Chisholm are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Chisholm work in a clerical occupation. In 2011, 77.7% of the homes in Chisholm were owner-occupied compared with 77.7% in 2016. Currently the median sales price of houses in the area is $807,500.