The size of Cape Bridgewater is approximately 78.3 square kilometres. It has 1 park covering nearly 7.8% of total area. The population of Cape Bridgewater in 2011 was 254 people. By 2016 the population was 122 showing a population decline of 52.0% in the area during that time. The predominant age group in Cape Bridgewater is 50-59 years. Households in Cape Bridgewater are primarily childless couples and are likely to be repaying $450 - $599 per month on mortgage repayments. In general, people in Cape Bridgewater work in a managers occupation. In 2011, 88.4% of the homes in Cape Bridgewater were owner-occupied compared with 63.5% in 2016.