Marietta Flag

Marietta

County:
Cobb County
County Seat:
Yes
Area (mi²):
23.507
State:
Georgia

Marietta is a city located in Cobb County, Georgia. Marietta has a 2025 population of 63,914. It is also the county seat of Cobb CountyMarietta is currently growing at a rate of 0.9% annually and its population has increased by 4.69% since the most recent census, which recorded a population of 61,051 in 2020.

The average household income in Marietta is $105,083 with a poverty rate of 12.67%.The median age in Marietta is 35.2 years: 34 years for males, and 36.9 years for females.

63.9K
Total Population
2,719
Density (mi²)
573 0.9%
Growth

Marietta Population

Demographics

Economics and Income Statistics

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)