Lancaster County, South Carolina Demographics 2026

Population Overview

Lancaster County is located in South Carolina with a total population of 100,905. It is the 16th most populous county out of 46 in South Carolina.

Age Demographics

The median age in Lancaster County is 42.2 years. This is 5% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Lancaster County is $74,751. This is 12% higher than the state median of $66,818. Compared to the national median of $78,538, household income here is 5% lower. The poverty rate stands at 12.3%. This is 13% lower than the state poverty rate of 14.2%. The unemployment rate is 5.5%. This is 11% higher than the state rate of 5.0%. The median home value is $298,100. Housing costs are 26% higher than the state median of $236,700. The home-value-to-income ratio is 4.0x. 83.3% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 71.4%.

Race & Ethnicity

The largest racial or ethnic group in Lancaster County is White (non-Hispanic), making up 68.2% of the population. Black or African American residents account for 19.4%.

Education

31.2% of residents aged 25 and older hold a bachelor's degree or higher. This is about average 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 89.0%.