Cobb County

About Cobb County, GA

Cobb County is located in the state of Georgia.  Marietta is the County seat and largest city, located in the center of the county.  According to historical lore, Cobb County was named for Thomas Willis Cobb, a 19th century U.S. representative and senator from Georgia and the City of Marietta was named for his wife, Mary.

Cobb County is part of the original and core (five-county) Atlanta metropolitan area, which is included in the Atlanta–Sandy Springs–Marietta, Georgia metropolitan statistical area.

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Cities within Cobb County include: AcworthAustell, KennesawMariettaPowder Springs and Smyrna. Census-designated Places (CDP) in the countyinclude:MabletonVinings and Fair Oaks. Unincorporated Areas in the County include Cumberland, East Cobb and Town Center.

Adjacent Counties include:  
Cherokee County
Fulton County, Douglas County, Paulding County and Bartow County.

Cobb County features:

  • Top-rate schools
  • Many new parks
  • Public walking/bike trails
  • Excellent recreational facilities
  • First-rate shopping and dining
  • Unparalleled government services

All this makes Cobb County a great place to live, work, buy a home and raise a family!

Zip codes

  • Marietta – 30060, 30067, 30068, 30064, 30062, 30066, 30069, 30063, 30008, 30090, 30006, 30007, 30061, 30065
  • Kennesaw – 30144, 30152, 30156, 30160
  • Acworth – 30101, 30102
  • Smyrna – 30080, 30082, 30081
  • Mableton – 30126
  • Austell – 30106, 30168
  • Powder Springs – 30127


Cobb’s climate is well suited to outdoor activities with warm summers and moderate winters.  The county gets about 54 inches of rain and 1 inch of snowfall per year.  Number of days with any measurable precipitation is 107.  On average, Cobb County has e 217 sunny days per year with July highs around 89 degrees and January lows around 29 degrees.  The County’s comfort  index, which is based on humidity during the hot months, is 35 out of 100 ( higher is more comfortable) compared to the U.S. average comfort index of 44.


The unemployment rate in Cobb County is 9.10%, with job growth at -0.75%.  Future job growth over the next ten years is predicted to be at 29.40%.  The sales tax rate and income tax is 6.00%.  Income per capita is $32,814, which includes all adults and children.  The median household income is $68,869.

The Cobb County School District is the largest employer in Cobb County.  Private corporations that have their headquarters in Cobb County include:

  • The Home Depot Atlanta Store Support Center – world headquarters
  • The Weather Channel headquarters
  • InTown Suites headquarters
  • Lockheed Martin Aeronautical Plant
  • CCH Small Firm Services headquarters and Lectra – North American headquarters.

Occupation Statistics

  • Management, Business, and Financial Operations  19.75%
  • Professional and Related Occupations  25.13%
  • Service  12.63%
  • Sales and Office  28.12%
  • Farming, Fishing, and Forestry  0.02%
  • Construction, Extraction, and Maintenance  7.86%
  • Production, Transportation, and Material Moving  10.56%

Population Statistics

As of 2011, Cobb County’s population is 714,285  people and has experienced a population growth of 17.42% since 2000.  There are 2,085 people per square mile in Cobb County. The median age is 36.5 years and 34% of people are married and 11.23% are divorced.  The average household size is 2.68 people.  47.50% of people are married with children and 53.96% have children and are single.


Cobb County has a total area of 344.51 square miles –  340.15 square miles is land and 4.36 square miles is water.  The county is divided between two major basins.  Most runoff flows into the Chattahoochee River along the southeastern border, directly via Willeo Creek, Sope Creek (Sewell Creek), Rottenwood Creek (Powers Creek), and others.

High points in Cobb County include:  Sweat Mountain, Blackjack Mountain,  Kennesaw Mountain, Little Kennesaw Mountain, Lost Mountain, Pine Mountain, Brushy Mountain and Vinings Mountain.

Population by Occupation

  • Management, Business, and Financial Operations 20.71%
  • Professional and Related Occupations 24.48%
  • Service 12.93%
  • Sales and Office 32.12%
  • Farming, Fishing, and Forestry 0.00%
  • Construction, Extraction, and Maintenance 12.36%
  • Production, Transportation, and Material Moving 12.45%

Real Estate and Housing

Median home value in Cobb County is $187,700 with home appreciation at -6.45% over the last year.  The median age of real estate is 23 years. Renters make up 26.76% of the county’s population and 6.37% of the houses and apartments in Cobb County are unoccupied.

If you are thinking about buying or relocating, you’ll find many residential options to choose from.

Whether you’re looking for luxury and estate homes, single-family homes, townhomes or short sales, I am a Cobb County GA Realtor® that can help you find the right home to fit your lifestyle,budget and needs.

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