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Zip Code 30340 — Atlanta, GA

30340 is a ZIP Code associated with Atlanta, GA, located within DeKalb. 30340 ranks #15 out of 29 ZIP codes in DeKalb County by population (and #133 out of 750 in GA). The area supports an estimated population of 30,062 residents across Data Pending housing units, with a population density of 1,407.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.898080, -84.251130)

Data MetricLocal Statistic
Postal / Zip Code30340
Primary CityAtlanta
State / ProvinceGA
CountyDeKalb
Total Population30,062
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,407.3 people/sq mi
TimezoneAmerica/New_York

How 30340 Compares

MetricZIP 30340DeKalb CountyGA State Average
Population30,062833,267 (Total)10,940,417 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density1,407.3 /sq mi----
County Pop Rank#15 of 29----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 30341Atlanta2.4 mi36,021N/A
Zip 30360Atlanta2.7 mi16,855N/A
Zip 30084Tucker3.6 mi38,242N/A
Zip 30345Atlanta3.7 mi24,492N/A
Zip 30071Norcross3.9 mi25,830N/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 →