State
County
Land Area (mi²)
23.4 sq mi
Density (mi²)
2,619.30/sq mi
2020 Growth Rate
0.36%
Growth Since 2010
8.36%
Rank in State
Rank in Country
Marietta is a city located in Cobb County Georgia. It is also the county seat of Cobb County. With a 2020 population of 61,307, it is the 14th largest city in Georgia and the 625th largest city in the United States . Marietta is currently growing at a rate of 0.36% annually and its population has increased by 8.36% since the most recent census, which recorded a population of 56,579 in 2010. Marietta reached it's highest population of 61,307 in 2021. Spanning over 23 miles, Marietta has a population density of 2,619 people per square mile.
The average household income in Marietta is $85,402 with a poverty rate of 14.01%. The median rental costs in recent years comes to $1,102 per month, and the median house value is $287,600. The median age in Marietta is 34.9 years, 33.6 years for males, and 36.5 years for females.
According to the most recent ACS, the racial composition of Marietta was:
| Race | Population | Percentage |
|---|---|---|
| White | 33,411 | 55.18% |
| Black or African American | 18,462 | 30.49% |
| Some Other Race | 4,289 | 7.08% |
| Two or More Races | 2,366 | 3.91% |
| Asian | 1,568 | 2.59% |
| American Indian and Alaska Native | 402 | 0.66% |
| Native Hawaiian and Other Pacific Islander | 46 | 0.08% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 24,554 | 2.35 | 42 |
| Non Family | 10,766 | 1.31 | 29.7 |
| Married | 8,973 | 3.09 | 66.2 |
| Female | 3,621 | 3.3 | 22.9 |
| Male | 1,194 | 3.26 | 27.7 |
3.06
Average Family Size
2.35
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 2,895 | 7.21% |
| 9th to 12th Grade | 2,029 | 5.05% |
| High School Graduate | 7,876 | 19.62% |
| Some College | 7,815 | 19.47% |
| Associates Degree | 2,677 | 6.67% |
| Bachelors Degree | 11,034 | 27.49% |
| Graduate Degree | 5,813 | 14.48% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 21,621 | 19,843 | 11,321 |
| Black | 11,839 | 11,146 | 3,717 |
| Hispanic | 4,699 | 2,449 | 752 |
| Other Race | 2,105 | 907 | 246 |
| Asian | 1,114 | 931 | 671 |
| 2+ Races | 883 | 726 | 331 |
| Native American | 326 | 219 | 67 |
| Islander | 42 | 42 | 37 |
The highest rate of high school graduation is among islander people with a rate of 100.00%.
The highest rate of bachelors degrees is among islander people with a rate of 88.10%.
$39,070
Average Earnings
$45,618
Average Male
$33,125
Average Female
74.72% of Marietta residents speak only English, while 25.28% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.38% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 27,531 | 2,965 | 10.77% |
| Black | 17,639 | 2,700 | 15.31% |
| Hispanic | 9,277 | 2,220 | 23.93% |
| Other | 4,263 | 829 | 19.45% |
| Multiple | 2,322 | 323 | 13.91% |
| Asian | 1,400 | 137 | 9.79% |
| Native | 401 | 44 | 10.97% |
| Islander | 41 | 4 | 9.76% |
14.01%
Overall Poverty Rate
13.75%
Male Poverty Rate
14.25%
Female Poverty Rate
The race most likely to be in poverty in Marietta is Hispanic, with 23.93% below the poverty level.
The race least likely to be in poverty in Marietta is Islander, with 9.76% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.89%. Among those working part-time, it was 23.54%, and for those that did not work, the poverty rate was 21.34%.
41.0%
Overall Marriage Rate
42.5%
Male Marriage Rate
39.6%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 1,596 | 5.85% |
| Black | 1,387 | 9.85% |
| Hispanic | 143 | 2.35% |
| 2+ Races | 75 | 6.43% |
| Other Race | 30 | 1.13% |
| Islander | 20 | 47.62% |
| Asian | 13 | 0.98% |
| Native American | 11 | 2.74% |
8.54%
Veteran Poverty Rate
19.87%
Veteran Disability Rate
68.8%
Labor Force Participation
65.4%
Employment Rate
4.5%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
82.60%
Native Born
17.40%
Foreign Born
11.88%
Non Citizen
5.51%
Naturalized
82.60% of Marietta residents were born in the United States, with 38.31% having been born in Georgia. 11.88% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 61,307 | 220 | 0.36% |
| 2020 | 61,087 | 220 | 0.36% |
| 2019 | 60,867 | 220 | 0.36% |
| 2018 | 60,647 | -32 | -0.05% |
| 2017 | 60,679 | 0.00% | |
| 2016 | 60,679 | 834 | 1.39% |
| 2015 | 59,845 | 298 | 0.50% |
| 2014 | 59,547 | 728 | 1.24% |
| 2013 | 58,819 | 652 | 1.12% |
| 2012 | 58,167 | 819 | 1.43% |
| 2011 | 57,348 | 640 | 1.13% |
| 2010 | 56,708 | -2,040 | -0.35% |
| 2000 | 58,748 | 14,619 | 2.90% |
| 1990 | 44,129 | 13,308 | 3.65% |
| 1980 | 30,821 | 3,605 | 1.25% |
| 1970 | 27,216 | 1,651 | 0.63% |
| 1960 | 25,565 | 4,878 | 2.14% |
| 1950 | 20,687 | 12,020 | 9.09% |
| 1940 | 8,667 | 1,029 | 1.27% |
| 1930 | 7,638 | 1,448 | 2.12% |
| 1920 | 6,190 | 241 | 0.40% |
| 1910 | 5,949 | 1,503 | 2.96% |
| 1900 | 4,446 | 1,062 | 2.77% |
| 1890 | 3,384 | 704 | 0.78% |
| 1860 | 2,680 | 0.00% |