The size of Sinagra is approximately 2.1 square kilometres. The population of Sinagra in 2011 was 1,787 people. By 2016 the population was 2,615 showing a population growth of 46.3% in the area during that time. The predominant age group in Sinagra is 30-39 years. Households in Sinagra are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Sinagra work in a trades occupation. In 2011, 70.3% of the homes in Sinagra were owner-occupied compared with 75.6% in 2016. Currently the median sales price of houses in the area is $475,000.