Cobb County Population 2017

Cobb County's estimated population is 748,150 with a growth rate of 1.08% in the past year according to the most recent United States census data. Cobb County is the 3rd largest county in Georgia.

Year Population Growth Growth Rate
2016748,1508,0061.08%
2015740,14410,9981.51%
2014729,14612,2731.71%
2013716,8739,2441.31%
2012707,62910,0771.44%
2011697,5527,8551.14%
2010689,697241,95254.04%
1990447,745150,02750.39%
1980297,718100,92551.28%
1970196,79382,61972.36%
1960114,17452,34484.66%
195061,83023,55861.55%
194038,2722,8648.09%
193035,4084,97116.33%
192030,4372,0407.18%
191028,3973,73315.14%
190024,6642,37810.67%
189022,2861,5387.41%
188020,7486,93450.20%
187013,814-428-3.01%
186014,2423992.88%
185013,8436,30483.62%
18407,5390.00%

Cobb County Population Growth

Population Data via

Cobb County Race Data

Race Population Percentage
White474,06163.36%
Black or African American205,61527.48%
Asian38,5635.15%
Two or More Races17,9832.40%
American Indian and Alaska Native3,3970.45%
Native Hawaiian and Other Pacific Islander5250.07%

Cobb County Population Pyramid

0k5k10k15k20k25k30kCobb County Male Population0k5k10k15k20k25k30kCobb County Female Population

Population of Cities in Cobb County

City 2010 Census 2016 Estimated Growth Growth Rate
Atlanta4204254725225209712.39%
Marietta566286094143137.62%
Smyrna5137356664529110.30%
Kennesaw305753362730529.98%
Acworth204782241819409.47%
Powder Springs139381495610187.30%
Austell664271394977.48%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990