Census Charts Index > Households & Families for South Carolina South Carolina Census Data: Households & Families. Household and Family statistics for South Carolina counties are shown in this easy-to-read table and chart combination. Scroll down for information about Reading the chart. Source: U.S. Census Bureau 2000 Census. There are 2,435,472 male residents living in South Carolina and 2,585,334 female residents. The total number of households is 1,921,862 with 3 people per household on average.The median age of the current population is 41 with 2,055,923 people being married and 2,165,021 being single.The average annual CNA salary in South Carolina is $24,590 which is $11.82 per hour. Annual average salaries do vary quite a bit by location. For example, the average annual salary in Charleston-North Charleston is $27,750, and it is $20,650 in the Pee Dee South Carolina nonmetropolitan area. | See Job Openings.