ZIP Code 31409 — Savannah city, GA Demographics & Data

ZIP code 31409 covers Savannah, GA in Chatham County with a population of about 536.

At a glance, the area shows median age of 21.3 versus a U.S. median of about 38.9.

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

Savannah, GA reads as a military / base-oriented community on US5’s intent model (elevated veteran share (100.0%) 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 33.3% of adults with a bachelor’s degree or higher (roughly in line with the national share (33.7%)).

Labor and commute patterns include about 5.5% of workers reporting work-from-home (about 9.7 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 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 little to no average snow and around 48.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 24 for ZIP 31409 (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.