Cobb County

Formed in 1832, Cobb County was originally part of Cherokee County and was named after Judge Thomas Willis Cobb, a U.S. Senator.

Notable landmarks include Kennesaw State University, the Marietta National Cemetery and Kennesaw Mountain National Battlefield Park. Large employers include WellStar Health System, Lockheed Martin Aeronautical and Cobb County Schools.

Cobb has experienced substantial growth in the past few decades and has become one of the most populated counties in the region.

Within Cobb County are the cities of Acworth, Austell*, Kennesaw, Marietta, Powder Springs, and Smyrna.

Cobb County by the Numbers (2017)

Population 755,754
Population Change (since 2010) +9.6%
Population Forecast (2040) 885,062
Median Household Income $75,654
Unemployment Rate 4.1%
Mean Travel Time to Work 32.6 minutes
Single Family Building Permits 1,564 units
Multifamily Building Permits 1,065 units

Data Resources

Other Cobb County Resources

ARC Board Members Representing Cobb

Data Sources

  • US Census Bureau, Subcounty Intercensal Population Estimates, 2000 to 2009
  • US Census Bureau, County Characteristics Resident Population Estimate, 2010 to 2017
  • US Census Bureau, American Community Survey (1-year estimates), 2017
  • Atlanta Regional Commission (ARC), Series 15 Forecasts, 2015-16
  • Bureau of Labor Statistics (BLS), Local Area Unemployment Statistics (LAUS), 2017


* This city belongs to more than one county.