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Zip Code 30021 — Clarkston, GA

30021 is a ZIP Code associated with Clarkston, GA, located within DeKalb. The postal region supports an estimated population of 27,781 residents across Data Pending housing units, with a population density of 2,999.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.808030, -84.239090)

Data MetricLocal Statistic
Postal / Zip Code30021
Primary CityClarkston
State / ProvinceGA
CountyDeKalb
Total Population27,781
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,999.9 people/sq mi
TimezoneAmerica/New_York

How 30021 Compares

MetricZIP 30021DeKalb CountyGA State Average
Population27,781833,26710,940,417
Median IncomeData PendingN/AN/A
Population Density2,999.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 30079Scottdale1.6 mi4,831N/A
Zip 30072Pine Lake2.2 mi800N/A
Zip 30033Decatur2.6 mi31,310N/A
Zip 30002Avondale Estates2.7 mi5,225N/A
Zip 30083Stone Mountain2.8 mi62,724N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →