DemographicsIrongate is approximately 54.41 square kilometres. In 2016 the population of Irongate was 119. The population is 44% male and 56% female. On average the monthly mortgage repayments in Irongate are $1800 to $2399. The most common weekly income bracket is $1250 to $1499 per week. Weekly rents in the area are on average $0 to $74.