In 2018, Cobb County, GA had a population of 757k people with a median age of 36.7 and a median household income of $78,894. Between 2017 and 2018 the population of Cobb County, GA grew from 755,754 to 756,865, a 0.147% increase and its median household income grew from $75,654 to $78,894, a 4.28% increase.
The 5 largest ethnic groups in Cobb County, GA are White (Non-Hispanic) (51.1%), Black or African American (Non-Hispanic) (26.8%), White (Hispanic) (6.64%), Asian (Non-Hispanic) (5.56%), and Other (Hispanic) (4.64%). 19.9% of the households in Cobb County, GA speak a non-English language at home as their primary language, and 93.2% of the residents in Cobb County, GA are U.S. citizens.
In 2018, the median property value in Cobb County, GA was $278,700, and the homeownership rate was 64.6%. Most people in Cobb County, GA drove alone to work, and the average commute time was 28.6 minutes. The average car ownership in Cobb County, GA was 2 cars per household.