The size of Millbridge is approximately 1.9 square kilometres. The population of Millbridge in 2011 was 1,265 people. By 2016 the population was 2,406 showing a population growth of 90.2% in the area during that time. The predominant age group in Millbridge is 0-9 years. Households in Millbridge are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Millbridge work in a trades occupation. In 2011, 77% of the homes in Millbridge were owner-occupied compared with 80.7% in 2016. Currently the median sales price of houses in the area is $490,000.