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Zip Code 30126 — Mableton, GA

30126 is a ZIP Code associated with Mableton, GA, located within Cobb. 30126 ranks #10 out of 19 ZIP codes in Cobb County by population (and #78 out of 750 in GA). The area supports an estimated population of 41,829 residents across Data Pending housing units, with a population density of 787.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.815880, -84.551710)

Data MetricLocal Statistic
Postal / Zip Code30126
Primary CityMableton
State / ProvinceGA
CountyCobb
Total Population41,829
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density787.2 people/sq mi
TimezoneAmerica/New_York

How 30126 Compares

MetricZIP 30126Cobb CountyGA State Average
Population41,829777,758 (Total)10,940,417 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density787.2 /sq mi----
County Pop Rank#10 of 19----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 30082Smyrna2.8 mi27,296N/A
Zip 30168Austell3.0 mi26,612N/A
Zip 30106Austell4.7 mi23,107N/A
Zip 30080Smyrna5.1 mi53,316N/A
Zip 30336Atlanta5.5 mi514N/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 →