ZIP Code 30008 — Marietta city, GA Demographics & Data

ZIP code 30008 covers Marietta, GA in Cobb County with a population of about 35,598.

At a glance, the area shows median age of 34.2 versus a U.S. median of about 38.9.

It sits in telephone area codes 470, 678, 770, 943; U.S. House district GA-6; the ATLANTA media market.

Median household income in ZIP 30008 is about $73,130 — about 3% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 16.1%; unemployment rate near 3.8%; 28.3% of adults with a bachelor’s degree or higher (about 5.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Retail trade, and Food services; about 15.8% of workers reporting work-from-home (roughly in line with 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 $269,600 — about 23% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,203 (about 3% above the U.S. median rent ($1,163)), and owner-occupancy near 59.0% (about 6.4 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 30008 in Marietta, GA, a household would need roughly $74,000 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 $1,732. That is roughly in line with the local median household income ($73,130). 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 Marietta city, GA as Relatively High (composite score 94.4), which is among the highest nationally. The strongest component scores on US5 are flood (96.1) and hurricane (68.1). 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 Marietta city, GA show little to no average snow and around 56.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,570 for ZIP 30008 (Marietta 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.