The size of Goolwa is approximately 17.4 square kilometres. It has 19 parks covering nearly 0.8% of total area. The population of Goolwa in 2011 was 2,201 people. By 2016 the population was 2,361 showing a population growth of 7.3% in the area during that time. The predominant age group in Goolwa is 70-79 years. Households in Goolwa are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Goolwa work in a trades occupation. In 2011, 67% of the homes in Goolwa were owner-occupied compared with 68.8% in 2016. Currently the median sales price of houses in the area is $386,000.