ZIP Code 29940 — Seabrook CDP, SC Demographics & Data

ZIP code 29940 covers Seabrook, SC in Beaufort County with a population of about 3,594.

At a glance, the area shows median age of 56.2 versus a U.S. median of about 38.9.

It sits in telephone area codes 843, 854; U.S. House district SC-1; the SAVANNAH media market.

Seabrook, SC fits a retirement-oriented profile (older median age or known retirement-community context). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

Median household income in ZIP 29940 is about $50,642 — about 33% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 20.1%; unemployment rate near 7.6%; 21.3% of adults with a bachelor’s degree or higher (about 12.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Retail trade; about 4.5% of workers reporting work-from-home (about 10.6 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $118,000 — about 66% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 87.2% (about 21.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 29940 in Seabrook, SC, a household would need roughly $32,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $758. That sits below the local median household income ($50,642), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for Seabrook CDP, SC as Relatively High (composite score 97.1), which is among the highest nationally. The strongest component scores on US5 are hurricane (99.5) and wildfire (90.3). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Seabrook CDP, SC show little to no average snow and around 45.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 144 for ZIP 29940 (Seabrook CDP, SC) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.