What to know about ZIP 29425
ZIP code 29425 covers Charleston, SC in Charleston County.
It sits in telephone area codes 843, 854; U.S. House district SC-6; the CHARLESTON, SC media market.
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Charleston city, SC
ZIP Code 29425 — Charleston city, SC Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
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At a glance
Overview of ZIP Code 29425
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Charleston city, SC as Relatively High (composite score 98.6), which is among the highest nationally. The strongest component scores on US5 are hurricane (99.6) and wildfire (93.9). 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 Charleston city, SC show limited published climate normals on US5.