70056 ZIP Code — Gretna, LA

Jefferson County, Louisiana

ZIP code 70056 is located in Gretna, Louisiana, within Jefferson County. It covers approximately 6.76 square miles and serves a population of 42,627 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 504/985.

About ZIP code 70056

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $212,200. Owner-occupancy sits near the national average at 57%.

Median household income is $62,092.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

16% of residents lack health insurance, above the national average.

42,627
population
6.76
sq mi land
Standard
ZIP type
Central (CT)
timezone
70056 ZIP code map
Cities in ZIP code 70056

Below are the cities the US Postal Service accepts for ZIP code 70056. Using any city not on this list may result in mail delivery delays.

City Status
Gretna Acceptable
Gretna Preferred
Nearby ZIP codes
70058 Harvey (2.5 mi) 70053 Gretna (2.6 mi) 70114 New Orleans (3 mi) 70143 New Orleans (4.2 mi) 70131 New Orleans (4.4 mi) 70130 New Orleans (4.5 mi) 70115 New Orleans (5 mi) 70113 New Orleans (5.1 mi) 70163 New Orleans (5.2 mi) 70117 New Orleans (5.4 mi) 70142 New Orleans (5.5 mi) 70145 New Orleans (5.5 mi)
Demographics updated 05/2026
Population
Total population 42,627
Population density 6,306 / sq mi
State FIPS 22
County FIPS 051
Geography
Land area 6.76 sq mi
Water area 0.06 sq mi
Latitude 29.8872
Longitude -90.0277
Timezone Central (CT)
Area code 504/985
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 42.6% 45.0% 49.2%
$50k – $100k 35.3% 31.1% 27.7%
$100k – $200k 18.3% 19.0% 18.3%
Over $200k 3.9% 4.9% 4.7%

Demographics & statistics

42,627
Population
6,306
People per sq mi
34.5
Median age
$62,092
Median household income
$28,983
Per capita income
$212,200
Median home value
$1,137
Median monthly rent
56.5%
Home ownership
16.3%
Poverty rate
8.4%
Unemployment
9,047
Housing units
28.2%
Bachelor's or higher

Age distribution

Male Female
2,186
Under 5
2,364
1,407
5–9
1,522
1,592
10–14
1,722
1,196
15–19
1,293
1,263
20–24
1,366
2,774
25–34
2,998
2,956
35–44
3,195
2,341
45–54
2,530
963
55–59
1,041
1,451
60–64
1,569
1,376
65–74
1,488
784
75–84
848
193
85+
209
← Male
Female →

Age summary

GroupCount%
Under 1812,45329.2%
18 and over30,17470.8%
65 and over4,89811.5%
Median age34.5 years

Race & ethnicity

Black or African American 35.7%
White 30%
Hispanic or Latino 14%
Other race 9.9%
Two or more races 6.4%
Asian 3.5%
American Indian / Alaska Native 0.6%
GroupCount%
Black or African American17,68135.7%
White14,87230%
Hispanic or Latino6,92114%
Other race4,9159.9%
Two or more races3,1616.4%
Asian1,7223.5%
American Indian / Alaska Native2760.6%

Household income

Income range This ZIP County avg State avg
Under $50k 42.6% 45.0% 49.2%
$50k – $100k 35.3% 31.1% 27.7%
$100k – $200k 18.3% 19.0% 18.3%
Over $200k 3.9% 4.9% 4.7%
Under $10k 3.5%
$10k–$15k 3.5%
$15k–$25k 8.5%
$25k–$35k 11.4%
$35k–$50k 13.6%
$50k–$75k 17.9%
$75k–$100k 13.4%
$100k–$150k 15.2%
$150k–$200k 7.2%
$200k+ 5.7%
Range% of households
Under $10k3.5%
$10k–$15k3.5%
$15k–$25k8.5%
$25k–$35k11.4%
$35k–$50k13.6%
$50k–$75k17.9%
$75k–$100k13.4%
$100k–$150k15.2%
$150k–$200k7.2%
$200k+5.7%
Median income$62,092

Housing

Home values

Under $50k 2.6%
$50k–$100k 2.9%
$100k–$150k 12.5%
$150k–$200k 26.4%
$200k–$300k 39.4%
$300k–$500k 13.9%
$500k–$1M 1.9%
$1M+ 0.4%

Housing overview

MetricValue
Median home value$212,200
Median rent / month$1,137
Owner occupied56.5%
Renter occupied43.5%
Vacant5.9%
Single-family detached61.1%
Large apartment buildings4.8%
Mobile homes1.4%
Median rooms5.8
Avg household size (owned)2.91

Year built

Era%
2020 or later0.3%
2010–20192.4%
2000–20098.1%
1990–19999.5%
1980–198923.8%
1970–197934.8%
1960–196916.4%
1950–19594.2%
1940–19490.4%
1939 or earlier0.2%

Bedrooms

Size% of units
No bedroom (studio)0.5%
1 bedroom13.4%
2 bedrooms18.1%
3 bedrooms40.5%
4 bedrooms25.2%
5+ bedrooms2.3%

Vehicles per household

Vehicles% of households
No vehicle7.4%
1 vehicle40.6%
2 vehicles33.0%
3 or more19.0%

Heating fuel

Fuel type%
Utility gas40.3%
Electricity58.4%
Propane / LP gas0.9%
Solar0.2%
No fuel used0.2%

Households & families

Household typeCount%
Married-couple family6,34544.0%
Cohabiting couple9646.7%
Male householder, no spouse2,79719.4%
Female householder, no spouse4,31929.9%
Households with children under 185,53038.3%
Households with seniors (65+)3,50724.3%
Average household size2.94

Marital status

StatusMaleFemale
Never married36.9%37.1%
Married48.3%40.4%
Separated1.8%2.1%
Widowed2.3%7.2%
Divorced10.8%13.3%

Education

Less than 9th grade 6.9%
Some HS, no diploma 6.6%
HS graduate 29.2%
Some college, no degree 21.1%
Associate's degree 8.1%
Bachelor's degree 19.2%
Graduate / professional 9.0%
Metric%
HS diploma or higher86.5%
Bachelor's or higher28.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool8287.5%
Kindergarten5414.9%
Elementary school5,23247.2%
High school2,35321.2%
College / grad school2,12319.2%

Employment

Industry of employment

Education & healthcare 22.0%
Construction 11.2%
Retail trade 11.2%
Professional & management 11.1%
Arts, food & hospitality 9.2%
Transportation & utilities 8.4%
Other services 6.2%
Public administration 5.5%
Finance & real estate 5.4%
Manufacturing 4.4%
Wholesale trade 3.3%
Agriculture & mining 1.6%
Information 0.4%

Occupation

Category%
Management, business & arts31.7%
Service20.3%
Sales & office19.0%
Natural resources & construction15.3%
Production & transportation13.7%

Employment type

Type%
Private sector81.8%
Government12.9%
Self-employed5.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone75.3%
Carpool14.0%
Public transit1.9%
Walk0.8%
Work from home6.3%
Other means1.6%
Avg commute (minutes)25.0

Poverty

All people 16.3%
Under 18 years 23.0%
18 and over 13.5%
Married-couple families 8.1%
Female-led households 28.7%

Income support

Source% of households
Social Security25.8%
Retirement income20.9%
Supplemental Security5.7%
Cash public assistance1.2%
Food stamps / SNAP15.1%

Health indicators

Condition%
Obesity39.5%
High blood pressure35.9%
High cholesterol33.1%
Diabetes12.7%
Heart disease5.9%
Stroke3.3%
Asthma9.5%
Arthritis22.8%
Kidney disease2.9%
Pulmonary disease6.6%
Cancer5.2%
Behavior / access%
Smoking19.1%
Binge drinking19.2%
No physical activity31.7%
Less than 7 hrs sleep39.7%
Depression23.3%
Fair or poor health18.9%
Poor mental health17.7%
Poor physical health11.6%
No health insurance17.3%
Visited doctor (checkup)76.8%
Visited dentist56.1%
Cholesterol screening88.7%
Teeth loss15.5%

Veterans & disability

VeteransCount%
Civilian veterans1,9466.5%
Disability%
Any disability13.6%
Under 185.4%
18–64 years12.8%
65 and over38.8%

Health insurance coverage

Type%
Private insurance49.5%
Public insurance43.2%
No insurance15.5%
Uninsured under 198.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only38,07789.3%
Spanish5,44714.3%
Other Indo-European4,02210.6%
Asian & Pacific Islander3440.9%
Other languages6841.8%

Place of birth & citizenship

OriginCount%
Native born (US)34,35280.6%
Born in same state33,71079.1%
Born in different state27,21963.9%
Foreign born6421.5%
Naturalized citizen8,27519.4%
Not a US citizen2,85534.5%

Ancestry

AncestryCount%
Italian2,3865.6%
Arab1,8484.3%
French1,0972.6%
German2290.5%
AncestryCount%
English930.2%
Dutch240.1%
Polish40%

Technology access

Metric% of households
Computer access33.8%
Internet access95.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 70056

What city is ZIP code 70056 in?

ZIP code 70056 is primarily assigned to Gretna, Louisiana.

What county is ZIP code 70056 in?

ZIP code 70056 falls within Jefferson County, Louisiana.

What is the poverty rate in ZIP code 70056?

16% of residents in ZIP code 70056 live below the poverty line, above the national average.

What is the population of ZIP code 70056?

ZIP code 70056 has an estimated population of 42,627 residents, with a density of 6,302 people per square mile.

What is the typical home value in ZIP code 70056?

The median home value in ZIP code 70056 is $212,200.

What is the median household income in ZIP code 70056?

The median household income in ZIP code 70056 is $62,092, below the national median of ~$75,000.

What timezone is ZIP code 70056 in?

ZIP code 70056 observes the CST timezone.

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