The size of Chester Hill is approximately 4.1 square kilometres. It has 7 parks covering nearly 6.5% of total area. The population of Chester Hill in 2011 was 11,752 people. By 2016 the population was 12,790 showing a population growth of 8.8% in the area during that time. The predominant age group in Chester Hill is 0-9 years. Households in Chester Hill are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Chester Hill work in a clerical occupation. In 2011, 61.3% of the homes in Chester Hill were owner-occupied compared with 57.9% in 2016. Currently the median sales price of houses in the area is $940,000.