The size of Smithfield is approximately 2.1 square kilometres. It has 8 parks covering nearly 4% of total area. The population of Smithfield in 2011 was 2,093 people. By 2016 the population was 2,423 showing a population growth of 15.8% in the area during that time. The predominant age group in Smithfield is 20-29 years. Households in Smithfield are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Smithfield work in a labourer occupation. In 2011, 43.9% of the homes in Smithfield were owner-occupied compared with 45.1% in 2016. Currently the median sales price of houses in the area is $295,000.