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 County. Marietta 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.

Demographics

The racial composition of Marietta includes 43.7% White, 30.4% Black or African American, 11.02% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	26,992	43.7%
Black or African American	18,776	30.4%
Two or more races	7,054	11.42%
Other race	6,809	11.02%
Asian	1,224	1.98%
Native American	913	1.48%
Native Hawaiian or Pacific Islander	5	0.01%

Marietta Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marietta's average per capita income is $47,684. Household income levels show a median of $70,086. The poverty rate stands at 12.67%.

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	$128,377	-
Families	$86,838	$126,259
Households	$70,086	$105,083
Non Families	$51,400	$70,015

$47,684

Average Income

$70,086

Median Household Income

12.67%

Poverty Rate