ZIP Code 29920

ZIP code 29920 is classified by USPS as a standard delivery area and covers roughly 252.8 square miles in Saint Helena Island, Beaufort County, South Carolina. The area is home to 9,481 residents, producing a population density of 38 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 29920 against South Carolina and the nation.

On the economic side, the median household income for ZIP 29920 sits at $77,744 (22% above the South Carolina average), while per-capita income is $43,913. The poverty rate stands at 19.9% and the unemployment rate at 2.2%. On housing, the median home value is $288,700 (28% above the state average) with median rent at $1,053 per month, and 90.3% of occupied units are owner-occupied, a direct signal of whether 29920 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 36.4% of adults hold a bachelor's degree or higher, the median age is 51.1, and the average commute is 32 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Beaufort County, so you can benchmark 29920 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →