DemographicsMulgowie is approximately 42.27 square kilometres. In 2016 the population of Mulgowie was 175. The population is 53% male and 47% female. On average the monthly mortgage repayments in Mulgowie are $2400 to $2999. The most common weekly income bracket is $400 to $499 per week. Weekly rents in the area are on average $275 to $349.