Olanta is a city located in South Carolina. With a 2020 population of 561, it is the 187th largest city in South Carolina and the 12829th largest city in the United States. Olanta is currently declining at a rate of -0.18% annually and its population has decreased by -0.36% since the most recent census, which recorded a population of 563 in 2010. Olanta reached it's highest population of 569 in 2014. Spanning over 1 miles, Olanta has a population density of 564 people per square mile.
The average household income in Olanta is $39,980 with a poverty rate of 24.60%. The median rental costs in recent years comes to $813 per month, and the median house value is $92,800. The median age in Olanta is 38.5 years, 44.6 years for males, and 35.8 years for females. For every 100 females there are 66.5 males.