ZIP Code 29905 — Port Royal town, SC Demographics & Data

ZIP code 29905 covers Port Royal, SC in Beaufort County with a population of about 1,409.

At a glance, the area shows median age of 21.2 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.

Port Royal, SC reads as a military / base-oriented community on US5’s intent model (elevated veteran share (33.0%) and/or base-related place names). Service members and families often look up Basic Allowance for Housing (BAH) rates, on-base mail (PSC / P.O. Box) addresses, and nearby ZIP demographics when relocating.

US5 shows 2026 DoD BAH locality rates for this ZIP’s Military Housing Area on this page (pay grade × with/without dependents). Treat the table as a planning reference and confirm entitlement with your finance office or the official DTMO BAH lookup.

On socioeconomic markers, US5 shows a unemployment rate near 0.0%; 51.4% of adults with a bachelor’s degree or higher (about 17.6 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Public administration, Construction, and Retail trade; about 6.2% of workers reporting work-from-home (about 9.0 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

FEMA’s National Risk Index rates natural-hazard risk for Port Royal town, 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 Port Royal town, SC show little to no average snow.

IRS migration statistics show a net inflow of about 56 for ZIP 29905 (Port Royal town, 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.