None of the households in Duncan, SC reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
94.9% of the residents in Duncan, SC are U.S. citizens.
In 2024, the median property value in Duncan, SC was $211,400, and the homeownership rate was 56.7%.
Most people in Duncan, SC drove alone to work, and the average commute time was 28.1 minutes. The average car ownership in Duncan, SC was 2 cars per household.