The size of Narrogin is approximately 13.1 square kilometres. It has 7 parks covering nearly 3.2% of total area. The population of Narrogin in 2011 was 4,219 people. By 2016 the population was 4,268 showing a population growth of 1.2% in the area during that time. The predominant age group in Narrogin is 10-19 years. Households in Narrogin are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Narrogin work in a trades occupation. In 2011, 62.8% of the homes in Narrogin were owner-occupied compared with 61.1% in 2016. Currently the median sales price of houses in the area is $194,000.