Port Royal is a city located in Beaufort County South Carolina. With a 2020 population of 13,621, it is the 31st largest city in South Carolina and the 2468th largest city in the United States . Port Royal is currently growing at a rate of 1.44% annually and its population has increased by 27.56% since the most recent census, which recorded a population of 10,678 in 2010. Port Royal reached it's highest population of in . Spanning over 20 miles, Port Royal has a population density of 803 people per square mile.
The average household income in Port Royal is $64,357 with a poverty rate of 10.60%. The median rental costs in recent years comes to $1,220 per month, and the median house value is $233,300. The median age in Port Royal is 25 years, 22.7 years for males, and 29.6 years for females.