Cobb County Population 2018

Cobb County's estimated population is 755,754 with a growth rate of 0.70% 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
2017755,7545,2770.70%
2016750,4778,4541.14%
2015742,02312,1191.66%
2014729,90412,7031.77%
2013717,2019,6521.36%
2012707,54910,1161.45%
2011697,4337,8381.14%
2010689,595241,85054.02%
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
White474,06162.73%
Black or African American205,61527.21%
Asian38,5635.10%
Two or More Races17,9832.38%
American Indian and Alaska Native3,3970.45%
Native Hawaiian and Other Pacific Islander5250.07%

Cobb County Population Pyramid

0k5k10k15k20k25k30k Male Population0k5k10k15k20k25k30k Female Population8580757065605550454035302520151050
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