Aiken is a city located in Aiken County South Carolina. With a 2020 population of 31,041, it is the 15th largest city in South Carolina and the 1253rd largest city in the United States . Aiken is currently growing at a rate of 0.28% annually and its population has increased by 5.14% since the most recent census, which recorded a population of 29,524 in 2010. Aiken reached it's highest population of in . Spanning over 21 miles, Aiken has a population density of 1,473 people per square mile.
The average household income in Aiken is $79,933 with a poverty rate of 12.55%. The median rental costs in recent years comes to $951 per month, and the median house value is $188,600. The median age in Aiken is 47.7 years, 44.7 years for males, and 48.9 years for females.