South Carolina has a population of over 4.6 million people and its capital and largest city is Columbia. It has a humid subtropical climate and its economy relies on industries like textiles, chemicals, and automotive manufacturing. Some key facts are that it was one of the original 13 colonies and the 8th state to ratify the US Constitution in 1788. It has 46 counties and was an early center for slavery and agriculture, especially crops like tobacco, rice and soybeans.