Lillington is a city located in Harnett County North Carolina. With a 2020 population of 3,715, it is the 185th largest city in North Carolina and the 5604th largest city in the United States . Lillington is currently growing at a rate of 0.79% annually and its population has increased by 16.31% since the most recent census, which recorded a population of 3,194 in 2010. Lillington reached it's highest population of in . Spanning over 5 miles, Lillington has a population density of 805 people per square mile.
The average household income in Lillington is $50,611 with a poverty rate of 15.03%. The median rental costs in recent years comes to $683 per month, and the median house value is $159,400. The median age in Lillington is 39.4 years, 38.2 years for males, and 41.7 years for females.