The size of Butler is approximately 5.6 square kilometres. It has 7 parks covering nearly 3.2% of total area. The population of Butler in 2011 was 9,651 people. By 2016 the population was 13,288 showing a population growth of 37.7% in the area during that time. The predominant age group in Butler is 0-9 years. Households in Butler are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Butler work in a trades occupation. In 2011, 69.6% of the homes in Butler were owner-occupied compared with 64% in 2016. Currently the median sales price of houses in the area is $399,000.