The size of Valla is approximately 80.1 square kilometres. It has 29 parks covering nearly 16.8% of total area. The population of Valla in 2011 was 831 people. By 2016 the population was 948 showing a population growth of 14.1% in the area during that time. The predominant age group in Valla is 50-59 years. Households in Valla are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Valla work in a trades occupation. In 2011, 79.2% of the homes in Valla were owner-occupied compared with 83.2% in 2016. Currently the median sales price of houses in the area is $840,000.