Mount Holly is a city located in Gaston County North Carolina. With a 2020 population of 16,551, it is the 62nd largest city in North Carolina and the 2176th largest city in the United States . Mount Holly is currently growing at a rate of 0.90% annually and its population has increased by 21.20% since the most recent census, which recorded a population of 13,656 in 2010. Mount Holly reached it's highest population of 16,551 in 2021. Spanning over 11 miles, Mount Holly has a population density of 1,525 people per square mile.
The average household income in Mount Holly is $80,319 with a poverty rate of 9.21%. The median rental costs in recent years comes to $863 per month, and the median house value is $172,300. The median age in Mount Holly is 36.7 years, 34.5 years for males, and 38.6 years for females.