70057 ZIP Code — Hahnville, LA

Saint Charles County, Louisiana

ZIP code 70057 is located in Hahnville, Louisiana, within Saint Charles County. It covers approximately 44.52 square miles and serves a population of 4,564 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 985.

About ZIP code 70057

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $214,700. Owner-occupancy is high at 88%, well above the national average.

The gap between median ($58,965) and mean household income suggests income inequality — a small number of higher earners pull the average up. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (25%) compared to national benchmarks.

Overall, ZIP code 70057 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

4,564

population

44.52

sq mi land

Standard

ZIP type

Central (CT)

timezone

70057 ZIP code map

Cities in ZIP code 70057

Below are the cities the US Postal Service accepts for ZIP code 70057. Using any city not on this list may result in mail delivery delays.

City	Status
Hahnville	Acceptable
Hahnville	Preferred

Nearby ZIP codes

70080 Paradis (5.3 mi) 70039 Boutte (5.9 mi) 70070 Luling (6.6 mi) 70049 Edgard (6.8 mi) 70047 Destrehan (7.1 mi) 70087 Saint Rose (9.8 mi) 70084 Reserve (10.3 mi) 70030 Des Allemands (12.3 mi) 70079 Norco (12.7 mi) 70031 Ama (13.2 mi) 70062 Kenner (13.5 mi) 70090 Vacherie (14.2 mi)

Demographics updated 05/2026

Population
Total population	4,564
Population density	103 / sq mi
State FIPS	22
County FIPS	089

Geography
Land area	44.52 sq mi
Water area	2.86 sq mi
Latitude	29.9422
Longitude	-90.4716
Timezone	Central (CT)
Area code	985

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	48.5%	37.0%	49.2%
$50k – $100k	28.5%	28.7%	27.7%
$100k – $200k	16.4%	28.2%	18.3%
Over $200k	6.6%	6.1%	4.7%

Demographics & statistics

4,564

Population

103

People per sq mi

43.1

Median age

$58,965

Median household income

$28,718

Per capita income

$214,700

Median home value

$577

Median monthly rent

88.0%

Home ownership

11.5%

Poverty rate

3.5%

Unemployment

1,531

Housing units

14.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

145

10–14

124

301

15–19

257

219

20–24

186

180

25–34

154

397

35–44

337

347

45–54

296

200

55–59

171

213

60–64

181

201

65–74

171

144

75–84

123

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	776	17.0%
18 and over	3,788	83.0%
65 and over	682	14.9%
Median age	43.1 years

Race & ethnicity

White 40%

Black or African American 38.8%

Hispanic or Latino 9.5%

Other race 8%

Two or more races 3.6%

American Indian / Alaska Native 0.2%

Group	Count	%
White	2,015	40%
Black or African American	1,955	38.8%
Hispanic or Latino	477	9.5%
Other race	402	8%
Two or more races	182	3.6%
American Indian / Alaska Native	10	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	48.5%	37.0%	49.2%
$50k – $100k	28.5%	28.7%	27.7%
$100k – $200k	16.4%	28.2%	18.3%
Over $200k	6.6%	6.1%	4.7%

Under $10k 8.1%

$10k–$15k 6.3%

$15k–$25k 5.0%

$25k–$35k 13.7%

$35k–$50k 12.5%

$50k–$75k 11.1%

$75k–$100k 10.8%

$100k–$150k 11.7%

$150k–$200k 6.6%

$200k+ 14.3%

Range	% of households
Under $10k	8.1%
$10k–$15k	6.3%
$15k–$25k	5.0%
$25k–$35k	13.7%
$35k–$50k	12.5%
$50k–$75k	11.1%
$75k–$100k	10.8%
$100k–$150k	11.7%
$150k–$200k	6.6%
$200k+	14.3%
Median income	$58,965

Housing

Home values

Under $50k 9.3%

$50k–$100k 6.9%

$100k–$150k 9.3%

$150k–$200k 21.6%

$200k–$300k 21.4%

$300k–$500k 31.4%

Housing overview

Metric	Value
Median home value	$214,700
Median rent / month	$577
Owner occupied	88.0%
Renter occupied	12.0%
Vacant	17.7%
Single-family detached	81.7%
Large apartment buildings	2.8%
Mobile homes	7.5%
Median rooms	6.1
Avg household size (owned)	3.08

Year built

Era	%
2020 or later	0.8%
2010–2019	3.4%
2000–2009	24.7%
1990–1999	18.0%
1980–1989	16.7%
1970–1979	8.2%
1960–1969	16.8%
1950–1959	3.4%
1940–1949	2.9%
1939 or earlier	5.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.9%
2 bedrooms	11.1%
3 bedrooms	73.2%
4 bedrooms	10.9%
5+ bedrooms	0.8%

Vehicles per household

Vehicles	% of households
No vehicle	8.5%
1 vehicle	25.7%
2 vehicles	35.0%
3 or more	30.9%

Heating fuel

Fuel type	%
Utility gas	33.0%
Electricity	65.9%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	753	53.8%
Cohabiting couple	77	5.5%
Male householder, no spouse	125	8.9%
Female householder, no spouse	444	31.7%
Households with children under 18	425	30.4%
Households with seniors (65+)	444	31.7%
Average household size	2.97

Marital status

Status	Male	Female
Never married	52.5%	29.7%
Married	36.7%	51.5%
Separated	1.7%	0.0%
Widowed	1.5%	6.9%
Divorced	7.6%	11.9%

Education

Less than 9th grade 7.6%

Some HS, no diploma 9.8%

HS graduate 40.9%

Some college, no degree 20.5%

Associate's degree 6.8%

Bachelor's degree 11.4%

Graduate / professional 3.0%

Metric	%
HS diploma or higher	82.6%
Bachelor's or higher	14.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	54	5.2%
Kindergarten	18	1.7%
Elementary school	319	30.6%
High school	450	43.2%
College / grad school	201	19.3%

Employment

Industry of employment

Education & healthcare 22.5%

Transportation & utilities 21.7%

Manufacturing 10.6%

Public administration 9.1%

Professional & management 7.8%

Arts, food & hospitality 7.8%

Retail trade 7.6%

Finance & real estate 5.9%

Construction 4.5%

Wholesale trade 1.0%

Agriculture & mining 0.9%

Information 0.8%

Occupation

Category	%
Management, business & arts	28.3%
Service	23.8%
Sales & office	11.4%
Natural resources & construction	8.3%
Production & transportation	28.2%

Employment type

Type	%
Private sector	76.4%
Government	18.9%
Self-employed	4.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.5%
Carpool	17.5%
Public transit	0.0%
Walk	0.0%
Work from home	4.0%
Other means	0.0%
Avg commute (minutes)	27.8

Poverty

All people 11.5%

Under 18 years 16.3%

18 and over 10.4%

Married-couple families 0.0%

Female-led households 23.3%

Income support

Source	% of households
Social Security	39.8%
Retirement income	41.0%
Supplemental Security	8.1%
Cash public assistance	1.4%
Food stamps / SNAP	15.4%

Health indicators

Condition	%
Obesity	43.3%
High blood pressure	41.7%
High cholesterol	34.9%
Diabetes	14.4%
Heart disease	6.8%
Stroke	4.2%
Asthma	10.3%
Arthritis	24.6%
Kidney disease	3.4%
Pulmonary disease	8.1%
Cancer	5.1%

Behavior / access	%
Smoking	25.1%
Binge drinking	18.3%
No physical activity	35.1%
Less than 7 hrs sleep	40.5%
Depression	23.2%
Fair or poor health	22.9%
Poor mental health	18.6%
Poor physical health	13.6%
No health insurance	18.0%
Visited doctor (checkup)	78.1%
Visited dentist	48.5%
Cholesterol screening	88.2%
Teeth loss	22.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	249	6.6%

Disability	%
Any disability	19.7%
Under 18	3.6%
18–64 years	19.0%
65 and over	40.3%

Health insurance coverage

Type	%
Private insurance	65.2%
Public insurance	40.0%
No insurance	9.2%
Uninsured under 19	2.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,522	99.1%
Spanish	239	5.3%
Other Indo-European	224	5.0%
Asian & Pacific Islander	15	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,241	92.9%
Born in same state	4,225	92.6%
Born in different state	3,624	79.4%
Foreign born	16	0.4%
Naturalized citizen	323	7.1%
Not a US citizen	93	28.8%

Ancestry

Ancestry	Count	%
Italian	224	4.9%
Arab	168	3.7%
French	104	2.3%

Ancestry	Count	%
German	44	1%
English	7	0.2%

Technology access

Metric	% of households
Computer access	30.7%
Internet access	94.6%

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

Frequently asked questions about ZIP code 70057

What city is ZIP code 70057 in?

ZIP code 70057 is primarily assigned to Hahnville, Louisiana.

What county is ZIP code 70057 in?

ZIP code 70057 falls within Saint Charles County, Louisiana.

Is ZIP code 70057 mostly owner-occupied?

88% of occupied units in ZIP code 70057 are owner-occupied, well above the national average.

How educated is the population of ZIP code 70057?

14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 70057 have a large retiree population?

40% of households in ZIP code 70057 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 70057?

ZIP code 70057 has an estimated population of 4,564 residents, with a density of 103 people per square mile.

What timezone is ZIP code 70057 in?

ZIP code 70057 observes the CST timezone.