Demographic Characteristics

Educational Attainment

An estimated 36.2% of the population age 25 and older hold a Bachelors Degree or higher and 10.8% of hold a Graduate Degree or higher. Demographic Summary (PDF).

Households & Income

There are an estimated 22,557 households in Marietta with an average household size of 2.43 and median income of $43,051. Family households account for 58% of total households with a median income of $54,686. Households and Families (PDF).


There are an estimated 25,630 housing units with a median owner occupied housing value of $206,300 in Marietta. Approximately 42.9 percent of occupied housing units where owner occupied in 2014. Housing Summary (PDF).


An estimated 70.6% of Marietta's population age 16 and over is in the labor-force compared to 71.4 percent in Cobb County and 62.5% in Georgia.


Marietta’s population increased by 6.1 percent to 60,008 from 55,748, between 2010 and 2014, according to the U.S. Census Bureau estimates. The median age for the total population is currently estimated at 31.5, with a median age of 27.6 and 33.4 for the male and female populations, respectively.

Industry & Economy

Business & Industry

The City of Marietta is a major business and employment center and has a strong concentration of companies in the professional, technical and scientific services, manufacturing, retail and healthcare industries along with having major governmental employers. In 2016 there were just under 5,300 businesses establishments with more than 63,000 employees in the Marietta city limits.

Infrastructure and Transportation

Businesses located in Marietta are connected to the global market by air, sea, rail and road.  In addition, several transit authorities provide students and workers with options to travel throughout the region and commute between university campuses.

Air Transportation

Cobb County International Airport - McCollum Field - RYY is a public airport located 7 miles north of Marietta. The airport is located on nearly 320 acres of land, offers the longest general aviation runway (6,305 ft) in Atlanta and is now an international destination, with the addition of onsite U.S. Customs in June 2015. Recent airport improvements include new taxiways, and a new control tower. Atlanta Hartsfield-Jackson International Airport is located 25 miles south of Marietta and has five runways. There are three main air cargo complexes, a Perishables Complex and a USDA Propagated Plant Inspection Station.

Intermodal Transportation

Marietta is linked to Georgia’s 1,200 miles of interstate highways and 20,000 miles of federal and state highways by I-75 and SR-41, SR5 and-120.  Mainline railroad companies, CSX and Norfolk Southern, directly serve Marietta and connect to the state's 24 short-line rail companies including Georgia Northeastern. Local intermodal facilities provide for quick and efficient movement of products from ocean carrier to rail to truck.

Regional & Public Transportation