ZIP Code 30021 — Clarkston city, GA Demographics & Data

ZIP code 30021 covers Clarkston, GA in DeKalb County with a population of about 26,386.

At a glance, the area shows median age of 24.7 versus a U.S. median of about 38.9.

It sits in telephone area codes 404, 470, 678, 943; U.S. House district GA-4; the ATLANTA media market.

Clarkston, GA sits in a university / college context (near georgia piedmont technical college (1.2 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 30021 is about $48,158 — about 36% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 27.8%; unemployment rate near 9.1%; 23.2% of adults with a bachelor’s degree or higher (about 10.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Manufacturing, and Transportation; about 9.6% of workers reporting work-from-home (about 5.6 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 $256,000 — about 26% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,098 (about 6% below the U.S. median rent ($1,163)), and owner-occupancy near 26.0% (about 39.4 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 30021 in Clarkston, GA, a household would need roughly $70,000 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 $1,644. That is about 45% above the local median household income ($48,158), so the median earner would likely stretch or need a larger down payment. 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 Clarkston city, GA as Relatively Moderate (composite score 94.3), which is among the highest nationally. The strongest component scores on US5 are flood (96.2) and hurricane (72.6). 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 Clarkston 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 1,164 for ZIP 30021 (Clarkston 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.