ZIP Code 29420 — North Charleston city, SC Demographics & Data

ZIP code 29420 covers North Charleston, SC in Dorchester County with a population of about 23,311.

At a glance, the area shows median age of 35.1 versus a U.S. median of about 38.9.

It sits in telephone area codes 843, 854; U.S. House district SC-6; the CHARLESTON, SC media market.

Median household income in ZIP 29420 is about $69,043 — about 8% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 14.3%; unemployment rate near 4.7%; 30.8% of adults with a bachelor’s degree or higher (about 2.9 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Retail trade; about 9.6% of workers reporting work-from-home (about 5.6 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 $283,900 — about 18% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,216 (about 5% above the U.S. median rent ($1,163)), and owner-occupancy near 62.6% (about 2.8 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 29420 in North Charleston, SC, a household would need roughly $78,000 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 $1,824. That is roughly in line with the local median household income ($69,043). 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 North Charleston city, SC as Relatively Moderate (composite score 93.7), which is among the highest nationally. The strongest component scores on US5 are hurricane (97.9) and wildfire (79.0). 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 North Charleston city, SC show little to no average snow and around 52.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 932 for ZIP 29420 (North Charleston city, 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.