DemographicsNullawarre is approximately 60.51 square kilometres. In 2016 the population of Nullawarre was 267. The population is 49% male and 51% female. On average the monthly mortgage repayments in Nullawarre are $1000 to $1399. The most common weekly income bracket is $800 to $999 per week. Weekly rents in the area are on average $0 to $74.