DemographicsSilver Ridge is approximately 12.35 square kilometres. In 2016 the population of Silver Ridge was 177. The population is 50% male and 50% female. On average the monthly mortgage repayments in Silver Ridge are $1800 to $2399. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $0 to $74.