The size of Bridgewater is approximately 17.8 square kilometres. It has 18 parks covering nearly 7.2% of total area. The population of Bridgewater in 2011 was 4,124 people. By 2016 the population was 4,040 showing a population decline of 2.0% in the area during that time. The predominant age group in Bridgewater is 0-9 years. Households in Bridgewater are primarily single parents and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Bridgewater work in a labourer occupation. In 2011, 47.1% of the homes in Bridgewater were owner-occupied compared with 44.3% in 2016. Currently the median sales price of houses in the area is $380,000.