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 64,165. It is also the county seat of Cobb County. Marietta is currently growing at a rate of 0.82% annually and its population has increased by 5.13% since the most recent census, which recorded a population of 61,036 in 2020.

The median household income in Marietta is $72,725 with a poverty rate of 12.82%. The median age in Marietta is 34.8 years: 33.5 years for males, and 36.2 years for females. For every 100 females there are 95.4 males.

64.2K
Total Population
2,698
Density (mi²)
522 0.82%
Growth

Marietta Population

Marietta Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202664,1655220.82%
202563,6435210.83%
202463,122230.04%
202363,0993270.52%
202262,7721,3782.24%
202161,3943580.59%
202061,036-19-0.03%
201960,8072050.34%
201860,602-6-0.01%
201760,60880.01%
201660,6008501.42%
201559,7503020.51%
201459,4487321.25%
201358,7166541.13%
201258,0628261.44%
201157,2366431.14%
201056,593140.02%
200058,74814,61933.13%
199044,12913,30843.18%
198030,8213,60513.25%
197027,2161,6516.46%
196025,5654,87823.58%
195020,68712,020138.69%
19408,6671,02913.47%
19307,6381,44823.39%
19206,1902414.05%
19105,9491,50333.81%
19004,4461,06231.38%
18903,38470426.27%
18602,68000%

Median Age

Overall: 34.8 years
Female: 36.2 years
Male: 33.5 years

Marietta Adults

There are 48,920 adults, (8,684 of whom are seniors) in Marietta.

Sex Ratio

Female: 31,871 (51.2%)
Male: 30,392 (48.8%)

Demographics

The racial composition of Marietta includes 43.51% White, 31.04% Black or African American, 10.63% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White27,08843.51%
Black or African American19,32831.04%
Two or more races7,00811.26%
Other race6,61610.63%
Asian1,3932.24%
Native American8041.29%
Native Hawaiian or Pacific Islander260.04%
Race
Population ↓
Percentage (of total)
Other race5,9949.63%
Two or more races3,1365.04%
White1,2922.08%
Native American6891.11%
Black or African American1300.21%
Asian230.04%
Race
Population ↓
Percentage (of total)
White25,79641.43%
Black or African American19,19830.83%
Two or more races3,8726.22%
Asian1,3702.2%
Other race6221%
Native American1150.18%
Native Hawaiian or Pacific Islander260.04%

Marietta Marital Status

Economics and Income Statistics

Marietta 's average per capita income is $50,934. Household income levels show a median of $72,725. The poverty rate stands at 12.82%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$134,421-
Families$94,793$132,795
Households$72,725$109,482
Non Families$52,903$71,499

$50,934

Average Income

$72,725

Median Household Income

12.82%

Poverty Rate

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)