Home > GA > Cobb County > Marietta > Zip 30068

Zip Code 30068 — Marietta, GA

30068 is a ZIP Code associated with Marietta, GA, located within Cobb. 30068 ranks #14 out of 19 ZIP codes in Cobb County by population (and #116 out of 750 in GA). The area supports an estimated population of 33,882 residents across Data Pending housing units, with a population density of 908.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.968870, -84.432730)

Data MetricLocal Statistic
Postal / Zip Code30068
Primary CityMarietta
State / ProvinceGA
CountyCobb
Total Population33,882
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density908.3 people/sq mi
TimezoneAmerica/New_York

How 30068 Compares

MetricZIP 30068Cobb CountyGA State Average
Population33,882777,758 (Total)10,940,417 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density908.3 /sq mi----
County Pop Rank#14 of 19----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 30062Marietta3.0 mi62,284N/A
Zip 30067Marietta3.0 mi47,271N/A
Zip 30328Atlanta3.7 mi39,508N/A
Zip 30350Atlanta5.7 mi35,170N/A
Zip 30346Atlanta6.2 mi4,411N/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 →