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.
Data after 2023 is projected based on recent change
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.
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
---|---|---|
Married Families | $128,377 | - |
Families | $86,838 | $126,259 |
Households | $70,086 | $105,083 |
Non Families | $51,400 | $70,015 |
Average Income
Median Household Income
Poverty Rate