Seabrook CDP, South Carolina Demographics & Population 2026

Population Overview

Seabrook CDP is a small community located in South Carolina. The total population is 959. It ranks as the 272nd most populous out of 475 cities and towns in South Carolina.

Age Demographics

The median age in Seabrook CDP is 54.6 years. This is 36% higher than the state median of 40.1 years. Only 10.9% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Seabrook CDP is $62,941. 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 18.0%. This is 27% higher than the state poverty rate of 14.2%. The unemployment rate is 14.5%. This is 194% higher than the state rate of 5.0%. The median home value is $27,200. Housing costs are 89% lower than the state median of $236,700. With a home-value-to-income ratio of just 0.4x, Seabrook CDP is one of the most affordable housing markets in the area. 90.1% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 71.4%.

Race & Ethnicity

The largest racial or ethnic group in Seabrook CDP is Black or African American, making up 52.8% of the population. White (non-Hispanic) residents account for 16.1%. The White (non-Hispanic) population (16.1%) is well below the state average of 62.2%. The Black or African American population is significantly higher than the state average (52.8% vs 25.1%).

Education

17.6% 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 79.1%.

Data Sources & Methodology

All demographic data for Seabrook CDP, 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.