The size of Smithfield is approximately 9 km2. It has 15 parks covering nearly 5% of the total area. There are 3 schools and 3 childcare centres located in Smithfield.

The population of Smithfield in 2001 was 13,266 people. By 2006 the population was 11,626 showing a population decline of 12% in the area during that time.

The predominant age group in Smithfield is 30 - 39 years.

Households in Smithfield are primarily couples with children and are likely to be repaying between $1000.00 - $1200.00 per month on mortgage repayments.

In general, people in Smithfield work in a non-specific occupation.

In 2001, 67% of the homes in Smithfield were owner-occupied compared with 65% in 2006.

Currently the median sale price of houses in the area is $512,500.