DemographicsBrighton (Tas.) is approximately 28.74 square kilometres. In 2016 the population of Brighton (Tas.) was 4086. The population is 48% male and 52% female. On average the monthly mortgage repayments in Brighton (Tas.) are $1000 to $1399. The most common weekly income bracket is $800 to $999 per week. Weekly rents in the area are on average $275 to $349.