Ruby is a city located in Chesterfield County South Carolina. With a 2020 population of 333, it is the 212th largest city in South Carolina and the 14942nd largest city in the United States . Ruby is currently declining at a rate of -0.89% annually and its population has decreased by -7.50% since the most recent census, which recorded a population of 360 in 2010. Ruby reached it's highest population of in . Spanning over 2 miles, Ruby has a population density of 135 people per square mile.
The average household income in Ruby is $51,348 with a poverty rate of 12.74%. The median rental costs in recent years comes to $860 per month, and the median house value is $104,900. The median age in Ruby is 42.6 years, 41.8 years for males, and 42.9 years for females.