The size of Narromine is approximately 1,920.8 square kilometres. It has 5 parks covering nearly 0.3% of total area. The population of Narromine in 2011 was 4,581 people. By 2016 the population was 4,692 showing a population growth of 2.4% in the area during that time. The predominant age group in Narromine is 0-9 years. Households in Narromine are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Narromine work in a managers occupation. In 2011, 66.4% of the homes in Narromine were owner-occupied compared with 67.8% in 2016. Currently the median sales price of houses in the area is $290,000.