Cayce is a city located in South Carolina. With a 2020 population of 13,990, it is the 30th largest city in South Carolina and the 2421st largest city in the United States. Cayce is currently declining at a rate of -0.14% annually but its population has increased by 11.67% since the most recent census, which recorded a population of 12,528 in 2010. Cayce reached it's highest population of 14,060 in 2017. Spanning over 18 miles, Cayce has a population density of 833 people per square mile.
The average household income in Cayce is $61,956 with a poverty rate of 19.41%. The median rental costs in recent years comes to $1,001 per month, and the median house value is $129,900. The median age in Cayce is 32.4 years, 31.4 years for males, and 33.9 years for females. For every 100 females there are 92.8 males.