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Cobb County is a county in the U.S. state of Georgia, located in the Atlanta metropolitan area in the north-central portion of the state. As of 2019, the population was 760,141, making it Georgia's third-most-populous county. Its county seat and largest city is Marietta.
THE SUBURBAN COUNTY
Cobb County is included in the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area. It is situated immediately to the northwest of Atlanta's city limits.
Its Cumberland District, an edge city, has over 24 million square feet (2,200,000 m2) of office space. Major League Baseball's Atlanta Braves have played at Truist Park in Cumberland since 2017.
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The U.S. Census Bureau ranks Cobb County as the most-educated in the state of Georgia and 12th among all counties in the US. It has ranked among the top 100 highest-income counties in the United States. In October 2017, Cobb was ranked as the "Least Obese County in Georgia".


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FACTS
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The U.S. Census Bureau ranks Cobb County as the most-educated in the state of Georgia and 12th among all counties in the United States.
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It has ranked among the top 100 wealthiest counties in the United States.
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The county was named for Thomas Willis Cobb, a United States representative and senator from Georgia. It is believed that Marietta was named for his wife, Mary.
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In the 1990s and 2000s, Cobb’s demographics changed. As Atlanta’s gentrification reversed decades of white flight, middle-class African-Americans and Russian, Bosnian, Chinese, Indian, Brazilian, Mexican and Central American immigrants moved to older suburbs in South and West Cobb. In 2010, African-American Democrat David Scott was elected to Georgia’s 13th congressional district, which included many of those suburbs.
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Kennesaw Mountain is the highest point in the county and in the entire suburban area of metro Atlanta, located in the north-northwest between Kennesaw and Marietta.
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As of 2013, there were over 290,000 households in the county.
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The Cobb County School District serves all county locations except the city of Marietta, which is served by Marietta City Schools. There are over twenty private schools that serve various grades from elementary to high school aged students.
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Cobb boasts several colleges and universities, including: Chattahoochee Technical College, Kennesaw State University (recently consolidated with Southern Polytechnic State University) and Life University.
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The Cobb County School District is Cobb County’s largest employer, employing over 20,000 people. Private corporations include:
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• The Home Depot Atlanta Store Support Center, world headquarters
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• The Weather Channel headquarters
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• InTown Suites headquarters
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• Lockheed Martin Aeronautical Plant, located next to Dobbins Air Reserve Base in unincorporated Cobb.
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Kool Smiles (Marietta)
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Coca-Cola headquarters
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General Electric’s Energy Management business headquarters
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Cobb hosts a myriad of entertainment events at the Cobb County Civic Center, Cobb Energy Performing Arts Center and the Mable House Amphitheater. Six Flags Over Georgia is also located in Cobb and features White Water and American Adventures.