Gretna, Louisiana Population 2020

17,640

Gretna is a city located in Louisiana. With a 2020 population of 17,640, it is the 19th largest city in Louisiana and the 2051st largest city in the United States. Gretna is currently declining at a rate of -0.25% annually and its population has decreased by -0.54% since the most recent census, which recorded a population of 17,736 in 2010. Gretna reached it's highest population of 24,875 in 1970. Spanning over 4 miles, Gretna has a population density of 4,371 people per square mile.

The average household income in Gretna is $66,173 with a poverty rate of 17.74%. The median rental costs in recent years comes to $888 per month, and the median house value is $174,400. The median age in Gretna is 39.5 years, 38.4 years for males, and 40.7 years for females. For every 100 females there are 101.1 males.

Gretna Demographics

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

  • White: 53.09%
  • Black or African American: 36.92%
  • Other race: 7.18%
  • Two or more races: 1.40%
  • Asian: 0.90%
  • Native American: 0.45%
  • Native Hawaiian or Pacific Islander: 0.06%
The current population of Gretna, Louisiana is 17,640, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 17,730.The last official US Census in 2010 recorded the population at 17,736.

Gretna, Louisiana Population 2020

Population by Race

Race Population Percentage
White9,44953.09%
Black or African American6,57036.92%
Some Other Race1,2777.18%
Two or More Races2501.40%
Asian1600.90%
American Indian and Alaska Native800.45%
Native Hawaiian and Other Pacific Islander110.06%

Gretna Population Pyramid 2020

Gretna Median Age

39.5


Total

38.4


Male

40.7


Female

Gretna Adults

There are 14,457 adults, (2,661 of whom are seniors) in Gretna.

Gretna Age Dependency

50.9

Age Dependency Ratio

22.6

Old Age Dependency Ratio

28.3

Child Dependency Ratio

Gretna Sex Ratio

Female

8,850

49.73%

Male

8,947

50.27%

Gretna Households and Families

Gretna Renter vs Owner Occupied by Household Type

Gretna Household Types

Type Owner Renter
Married68%32%
Male62.7%37.3%
All49.6%50.4%
Female39.8%60.2%
Non Family37.1%62.9%

49.6%

Rate of Home Ownership

Type Count Average Size Owned
All7,1202.3649.6
Non Family3,1581.1737.1
Married2,5093.1768
Female1,1423.5439.8
Male3113.5162.7

3.23

Average Family Size

2.36

Average Household Size

5.9%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Gretna Education

Education Attained Count Percentage
Less Than 9th Grade8476.61%
9th to 12th Grade1,43311.18%
High School Graduate4,22732.97%
Some College3,04923.79%
Associates Degree7786.07%
Bachelors Degree1,71313.36%
Graduate Degree7726.02%

Gretna Educational Attainment by Race

Name Total High School Bachelors
White6,4425,7741,819
Black4,4043,346335
Hispanic1,7551,211237
Other Race82056597
Multiple Races16614835
Asian1137637
Native American2525
Islander111111

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

Name Average Male Female
Overall$36,074$41,167$30,583
Less Than High School$19,524$21,925$14,515
High School Grad$30,599$36,451$20,186
Some College$38,101$44,735$31,832
Bachelors Degree$45,846$74,509$40,526
Graduate Degree$52,350$87,750$44,811

$36,074

Average Earnings

$41,167

Average Male

$30,583

Average Female

Gretna Language

Gretna Language by Age

Gretna Language

81.60% of Gretna residents speak only English, while 18.40% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.74% of the population.

Gretna Poverty

Gretna Poverty by Race

Name Total In Poverty Poverty Rate
Black5,9011,54326.15%
White7,94985710.78%
Hispanic2,59648518.68%
Other1,26925720.25%
Multiple24211145.87%
Native804151.25%
Asian152127.89%
Islander1111100.00%

17.74%

Overall Poverty Rate

16.19%

Male Poverty Rate

19.17%

Female Poverty Rate

Poverty in Gretna

The race most likely to be in poverty in Gretna is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Gretna is Asian, with 7.89% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.57%. Among those working part-time, it was 21.94%, and for those that did not work, the poverty rate was 29.06%.

Name Poverty
Less Than High School31.59%
High School15.57%
Some College15.43%
Bachelors or Greater5.22%
Name Poverty
Female Unemployed46.51%
Male Unemployed28.82%
Female Employed8.59%
Male Employed6.49%

Gretna Income

Gretna Income by Household Type

Name Median Mean
Households$46,057$66,173
Families$54,800$83,195
Married Families$74,323$104,307
Non Families$29,148$43,819

Gretna Marital Status

Gretna Marital Status

Marriage Rates

37.7%

Overall Marriage Rate

39.4%

Male Marriage Rate

35.9%

Female Marriage Rate

Gretna Married by Age and Sex

Gretna 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 55-64.

Gretna Marital Status by Race

Gretna Veterans

960

Number of Veterans

840

Male Veterans

120

Female Veterans

War Veterans
Vietnam346
First Gulf War202
Second Gulf War121
Korea66
World War II40
Name Veterans % of Total
White4705.98%
Black3857.36%
Hispanic582.82%
2 or More5229.89%
Other232.34%
Indian1942.22%
Asian117.97%

$Gretna Veterans by Education

13.03%

Veteran Poverty Rate

32.37%

Veteran Disability Rate

Gretna Employment Status

57.7%

Labor Force Participation

53.4%

Employment Rate

7.2%

Unemployment Rate

Gretna Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

73.75%

Born in Louisiana

87.89%

Native Born

12.11%

Foreign Born

7.92%

Non Citizen

Place of Birth

87.89% of Gretna residents were born in the United States, with 73.75% having been born in Louisiana. 7.92% 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
202017,640-45-0.25%
201917,685-45-0.25%
201817,730-107-0.60%
201717,837-45-0.25%
201617,882670.38%
201517,815510.29%
201417,764-15-0.08%
201317,779120.07%
201217,767-11-0.06%
201117,778420.24%
201017,7363130.18%
200017,4232150.12%
199017,208-3,407-1.79%
198020,615-4,260-1.86%
197024,8752,9081.25%
196021,9678,1544.75%
195013,8132,9342.42%
194010,8791,2951.28%
19309,5842,3872.91%
19207,1973,8973.98%
19003,3000.00%