Marietta, Georgia Population 2021

61,307
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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.

Marietta Demographics

According to the most recent ACS, the racial composition of Marietta was:

  • White: 55.18%
  • Black or African American: 30.49%
  • Other race: 7.08%
  • Two or more races: 3.91%
  • Asian: 2.59%
  • Native American: 0.66%
  • Native Hawaiian or Pacific Islander: 0.08%
The current population of Marietta, Georgia is 61,307 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 60,647.The last official US Census in 2010 recorded the population at 56,579.

Marietta, Georgia Population 2021

Population by Race

Race Population Percentage
White33,41155.18%
Black or African American18,46230.49%
Some Other Race4,2897.08%
Two or More Races2,3663.91%
Asian1,5682.59%
American Indian and Alaska Native4020.66%
Native Hawaiian and Other Pacific Islander460.08%
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Marietta Population by Race

Marietta Population Pyramid $2021

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Marietta Median Age

34.9


Total

33.6


Male

36.5


Female

Marietta Adults

There are 47,076 adults, (7,819 of whom are seniors) in Marietta.

Marietta Age Dependency

54.2

Age Dependency Ratio

19.9

Old Age Dependency Ratio

34.3

Child Dependency Ratio

Marietta Sex Ratio

Female

31,262

51.64%

Male

29,282

48.36%

Marietta Population by Age

Marietta Renter vs Owner Occupied by Household Type

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Marietta Household Types

Type Owner Renter
Married66.2%33.8%
All42%58%
Non Family29.7%70.3%
Male27.7%72.3%
Female22.9%77.1%

42.0%

Rate of Home Ownership

Marietta Households and Families

Type Count Average Size Owned
All24,5542.3542
Non Family10,7661.3129.7
Married8,9733.0966.2
Female3,6213.322.9
Male1,1943.2627.7

3.06

Average Family Size

2.35

Average Household Size

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Marietta Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,8957.21%
9th to 12th Grade2,0295.05%
High School Graduate7,87619.62%
Some College7,81519.47%
Associates Degree2,6776.67%
Bachelors Degree11,03427.49%
Graduate Degree5,81314.48%
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Marietta Educational Attainment by Sex (over 25)

Marietta Educational Attainment by Race

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Race Total High School Bachelors
White21,62119,84311,321
Black11,83911,1463,717
Hispanic4,6992,449752
Other Race2,105907246
Asian1,114931671
2+ Races883726331
Native American32621967
Islander424237

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%.

Marietta Educational Attainment by Race

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Name Average Male Female
Overall$39,070$45,618$33,125
Less Than 9th Grade$25,337$26,628$17,301
High School Graduate$31,504$37,379$26,036
Some College$33,046$40,288$30,063
Bachelors Degree$53,947$66,372$44,658
Graduate Degree$70,940$89,712$57,738

$39,070

Average Earnings

$45,618

Average Male

$33,125

Average Female

Marietta Earnings by Educational Attainment

Marietta Language by Age

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Marietta Language

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.

Marietta Language

Marietta Poverty by Race

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Name Total In Poverty Poverty Rate
White27,5312,96510.77%
Black17,6392,70015.31%
Hispanic9,2772,22023.93%
Other4,26382919.45%
Multiple2,32232313.91%
Asian1,4001379.79%
Native4014410.97%
Islander4149.76%

14.01%

Overall Poverty Rate

13.75%

Male Poverty Rate

14.25%

Female Poverty Rate

Poverty in Marietta

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%.

Marietta Poverty

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Name Poverty
Less Than 9th Grade28.39%
High School17.49%
Some College9.60%
Bachelors or Greater4.79%

Marietta Poverty Rate by Education

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Rate Poverty
Female Unemployed31.32%
Male Unemployed20.76%
Female Employed9.07%
Male Employed6.86%

Marietta Poverty Rate by Employment Status and Sex

Marietta Income by Household Type

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Name Median Mean
Households$57,452$85,402
Families$69,850$107,021
Married Families$99,068-
Non Families$40,384$54,800
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Income by Household Type

Marietta Marital Status

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Marriage Rates

41.0%

Overall Marriage Rate

42.5%

Male Marriage Rate

39.6%

Female Marriage Rate

Marietta Married by Age and Sex

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Marietta Marriage

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.

Marietta Marital Status by Race

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Marietta Marital Status

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3,132

Number of Veterans

2,908

Male Veterans

224

Female Veterans

War Veterans
Vietnam917
Second Gulf War777
First Gulf War729
Korea200
World War II62

Marietta Veterans by War

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Age Group Veterans
65 to 74723
35 to 54711
55 to 64690
75+637
18 to 34371

Marietta Veterans by Age

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Name Veterans % of Total
White1,5965.85%
Black1,3879.85%
Hispanic1432.35%
2+ Races756.43%
Other Race301.13%
Islander2047.62%
Asian130.98%
Native American112.74%

Marietta Veterans by Race

Marietta Veterans by Education

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8.54%

Veteran Poverty Rate

19.87%

Veteran Disability Rate

Marietta Veterans by Education

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68.8%

Labor Force Participation

65.4%

Employment Rate

4.5%

Unemployment Rate

Marietta Employment by Age

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Marietta Employment by Race

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Marietta Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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38.31%

Born in Marietta

82.60%

Native Born

17.40%

Foreign Born

11.88%

Non Citizen

5.51%

Naturalized

Place of Birth

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.

Marietta Place of Birth

Year Population Growth Annual Growth Rate
202161,3072200.36%
202061,0872200.36%
201960,8672200.36%
201860,647-32-0.05%
201760,6790.00%
201660,6798341.39%
201559,8452980.50%
201459,5477281.24%
201358,8196521.12%
201258,1678191.43%
201157,3486401.13%
201056,708-2,040-0.35%
200058,74814,6192.90%
199044,12913,3083.65%
198030,8213,6051.25%
197027,2161,6510.63%
196025,5654,8782.14%
195020,68712,0209.09%
19408,6671,0291.27%
19307,6381,4482.12%
19206,1902410.40%
19105,9491,5032.96%
19004,4461,0622.77%
18903,3847040.78%
18602,6800.00%

Marietta Population by Year