ZIP Code 31421 — Savannah city, GA Demographics & Data

ZIP code 31421 covers Savannah, GA in Chatham County with a population of about 18.

It sits in telephone area code 912; U.S. House district GA-1; the SAVANNAH media market.

Savannah, GA fits a retirement-oriented profile (high share of residents 65+ (100.0%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

On socioeconomic markers, US5 shows a poverty rate of 0.0%; 50.0% of adults with a bachelor’s degree or higher (about 16.3 points above the national share (33.7%)).

Housing tenure and rents show owner-occupancy near 100.0% (about 34.6 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Savannah city, GA as Relatively High (composite score 97.4), which is among the highest nationally. The strongest component scores on US5 are hurricane (99.4) and wildfire (92.4). 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 Savannah city, GA show limited published climate normals on US5.

IRS migration statistics show a net inflow of about 1 for ZIP 31421 (Savannah city, GA) 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.