DemographicsSwan Bay (Richmond Valley - NSW) is approximately 38.51 square kilometres. In 2016 the population of Swan Bay (Richmond Valley - NSW) was 223. The population is 51% male and 49% female. On average the monthly mortgage repayments in Swan Bay (Richmond Valley - NSW) are $1800 to $2399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $150 to $199.