ZIP Code 31820 — Columbus city, GA Demographics & Data

ZIP code 31820 covers Columbus, GA in Muscogee County with a population of about 14,619.

At a glance, the area shows median age of 39.2 (near the U.S. median).

It sits in telephone area codes 706, 762; U.S. House district GA-2; the COLUMBUS, GA media market.

Columbus, GA reads as a military / base-oriented community on US5’s intent model (elevated veteran share (19.6%) 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.

Median household income in ZIP 31820 is about $114,444 — about 52% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.3%; unemployment rate near 4.1%; 55.9% of adults with a bachelor’s degree or higher (about 22.1 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Retail trade; about 10.2% of workers reporting work-from-home (about 5.0 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 $344,300 — about even with the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,366 (about 17% above the U.S. median rent ($1,163)), and owner-occupancy near 88.7% (about 23.3 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 31820 in Columbus, GA, a household would need roughly $95,000 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 $2,212. That sits below the local median household income ($114,444), suggesting the typical household income is closer to a workable buy-in level under these assumptions. 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 Columbus city, GA as Relatively Moderate (composite score 81.6), which is elevated versus much of the country. The strongest component scores on US5 are flood (87.3) and hurricane (82.3). 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 Columbus city, GA show little to no average snow and around 51.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 645 for ZIP 31820 (Columbus 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.