DemographicsNarrawong is approximately 25.35 square kilometres. In 2016 the population of Narrawong was 387. The population is 51% male and 49% female. On average the monthly mortgage repayments in Narrawong are $1000 to $1399. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $275 to $349.