Clarendon County, South Carolina Demographics 2026

Population Overview

Clarendon County is located in South Carolina with a total population of 31,037. It is the 29th most populous county out of 46 in South Carolina.

Age Demographics

The median age in Clarendon County is 45.9 years. This is 14% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Clarendon County is $48,887. This is 27% lower than the state median of $66,818. Compared to the national median of $78,538, household income here is 38% lower. The poverty rate stands at 18.6%. This is 31% higher than the state poverty rate of 14.2%. The unemployment rate is 8.6%. This is 75% higher than the state rate of 5.0%. The median home value is $147,300. Housing costs are 38% lower than the state median of $236,700. The home-value-to-income ratio is 3.0x. 73.0% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 71.4%.

Race & Ethnicity

The largest racial or ethnic group in Clarendon County is White (non-Hispanic), making up 48.9% of the population. Black or African American residents account for 45.2%. The Black or African American population is significantly higher than the state average (45.2% vs 25.1%). The Hispanic or Latino population (3.0%) is well below the state average of 7.1%. The Asian population (0.8%) is well below the state average of 1.7%.

Education

17.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 44% lower than the state rate of 31.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 81.9%.