DemographicsGolconda is approximately 53.11 square kilometres. In 2016 the population of Golconda was 26. The population is 66% male and 34% female. On average the monthly mortgage repayments in Golconda are $1000 to $1399. The most common weekly income bracket is $650 to $799 per week. Weekly rents in the area are on average $150 to $199.