ZIP Code 30078 — Snellville city, GA Demographics & Data

ZIP code 30078 covers Snellville, GA in Gwinnett County with a population of about 41,041.

At a glance, the area shows median age of 38.3 (near the U.S. median).

It sits in telephone area codes 470, 678, 770, 943; U.S. House district GA-13; the ATLANTA media market.

Median household income in ZIP 30078 is about $90,054 — about 20% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.9%; unemployment rate near 4.5%; 42.0% of adults with a bachelor’s degree or higher (about 8.3 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Food services; about 17.0% of workers reporting work-from-home (about 1.8 points above 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 $316,600 — about 9% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,255 (about 8% above the U.S. median rent ($1,163)), and owner-occupancy near 82.4% (about 17.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 30078 in Snellville, GA, a household would need roughly $87,000 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 $2,034. That is roughly in line with the local median household income ($90,054). 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 Snellville city, GA as Relatively High (composite score 95.4), which is among the highest nationally. The strongest component scores on US5 are flood (97.4) and hurricane (71.4). 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 Snellville city, GA show little to no average snow and around 51.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,811 for ZIP 30078 (Snellville 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.