Dillon County, South Carolina Demographics 2026

Population Overview

Dillon County is located in South Carolina with a total population of 28,031. It is the 33rd most populous county out of 46 in South Carolina.

Age Demographics

The median age in Dillon County is 37.5 years. This is 6% lower than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Dillon County is $44,038. This is 34% lower than the state median of $66,818. Compared to the national median of $78,538, household income here is 44% lower. The poverty rate stands at 29.2%. This is 106% higher than the state poverty rate of 14.2%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 6.8%. This is 37% higher than the state rate of 5.0%. The median home value is $84,400. Housing costs are 64% lower than the state median of $236,700. With a home-value-to-income ratio of just 1.9x, Dillon County is one of the most affordable housing markets in the area. 60.3% of occupied housing units are owner-occupied. This homeownership rate is 16% lower than the state average of 71.4%.

Race & Ethnicity

The largest racial or ethnic group in Dillon County is Black or African American, making up 45.7% of the population. White (non-Hispanic) residents account for 44.7%. The Black or African American population is significantly higher than the state average (45.7% vs 25.1%). The Hispanic or Latino population (3.3%) is well below the state average of 7.1%.

Education

11.7% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 63% 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 81.6%.