Williamston town, South Carolina Demographics & Population 2026

Population Overview

Williamston town is a small community located in South Carolina. The total population is 4,116. It ranks as the 118th most populous out of 475 cities and towns in South Carolina.

Age Demographics

The median age in Williamston town is 38.2 years. This is 5% lower than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Williamston town is $62,500. This is 6% lower than the state median of $66,818. Compared to the national median of $78,538, household income here is 20% lower. The poverty rate stands at 13.5%. This is 5% lower than the state poverty rate of 14.2%. The unemployment rate is 5.3%. This is 7% higher than the state rate of 5.0%. The median home value is $156,700. Housing costs are 34% lower than the state median of $236,700. With a home-value-to-income ratio of just 2.5x, Williamston town is one of the most affordable housing markets in the area. 60.6% of occupied housing units are owner-occupied. This homeownership rate is 15% lower than the state average of 71.4%.

Race & Ethnicity

The largest racial or ethnic group in Williamston town is White (non-Hispanic), making up 79.1% of the population. Black or African American residents account for 9.4%. The Black or African American population (9.4%) is well below the state average of 25.1%.

Education

17.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% 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 85.3%.

Data Sources & Methodology

All demographic data for Williamston town, South Carolina is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against South Carolina state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 475 Census-designated places in South Carolina. For official data, visit data.census.gov.