Zip Code 30078 — Snellville, GA

30078 is a ZIP Code associated with Snellville, GA, located within Gwinnett. The postal region supports an estimated population of 41,597 residents across Data Pending housing units, with a population density of 928.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.861180, -84.017950)

Data MetricLocal Statistic
Postal / Zip Code30078
Primary CitySnellville
State / ProvinceGA
CountyGwinnett
Total Population41,597
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density928.0 people/sq mi
TimezoneAmerica/New_York

How 30078 Compares

MetricZIP 30078Gwinnett CountyGA State Average
Population41,597905,47010,940,417
Median IncomeData PendingN/AN/A
Population Density928.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 30017Grayson3.7 mi26,620N/A
Zip 30039Snellville4.4 mi52,783N/A
Zip 30044Lawrenceville5.1 mi101,475N/A
Zip 30047Lilburn5.5 mi70,121N/A
Zip 30046Lawrenceville6.3 mi41,850N/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 →