Marietta Flag

Marietta

County:
Cobb County
County Seat:
Yes
Area (mi²):
23.782
State:
Georgia

Marietta is a city located in Cobb County, Georgia. Marietta has a 2026 population of 63,122. It is also the county seat of Cobb County. Marietta is currently growing at a rate of 0.04% annually and its population has increased by 3.42% since the most recent census, which recorded a population of 61,036 in 2020.

63.1K
Total Population
2,654
Density (mi²)
23 0.04%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)