Georgia counties › Cobb County
Cobb County, Georgia
County seat: Marietta
793,345population
340 sq miland area
1832established
—people per sq mi
Pulse budget dashboards
Cobb County Pulse — county dashboardFY2025 adopted budget — FY2026 proposed — verified figures
Official websites
Cobb County — official sitewww.cobbcounty.gov
Marietta (county seat) — official sitewww.mariettaga.gov
Official links last verified October 23, 2026 — each address was opened and confirmed to be the government it names.
Sources
- Population & density: U.S. Census Bureau, Population Division — QuickFacts: Georgia (current population estimates), as compiled in Wikipedia, List of counties in Georgia.
- Land area: National Association of Counties, as compiled in the same list.
- County seat & year established: Wikipedia, List of counties in Georgia.
- Official websites: recorded from Wikipedia/Wikidata and content-verified October 23, 2026.
Reference: Cobb County on Wikipedia