Cobb County

Posted in: About ARC Atlanta Region Data & Maps

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, Mableton, Marietta, Powder Springs, and Smyrna.

Cobb County by the Numbers (2021)

Population	766,802
Population Change (since 2010)	+11.4%
Population Forecast (2050)	1,035,796
Median Household Income	$81,517
Unemployment Rate	2.7%
Mean Travel Time to Work	31 minutes
Single Family Building Permits	1,966 units
Multifamily Building Permits	987 units

View ARC's 21-County Dashboard where you can find various data points about Cobb County.

Data Resources

Other Cobb County Resources

ARC Board Members Representing Cobb

Lisa Cupid, Chairwoman, Cobb County Commission
Ollie Clemons, Mayor, City of Austell
Angelia O'Neal, Citizen Member, District 5
Vacant, Citizen Member, District 11
Michelle Cooper Kelly, Citizen Member, District 13
Tangela Jones, Citizen Member, District 14
Steve Stancil, Citizen Member, District 15

Data Sources

US Census Bureau, County Population Estimates, 2021
US Census Bureau, Small-Area Income and Poverty Estimates, 2020
US Census Bureau, American Community Survey (5-year estimates), 206-2020
Atlanta Regional Commission (ARC), Series 16 Forecasts
HUD, State of the Cities Data System (SOCDS), 2021

* This city belongs to more than one county.