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Hahnville, LA

Census-designated place in St. Charles Parish, Louisiana. ZIP codes: 70057.

Population

3,520

Land area

5.6sq mi

People per sq mi

633

ZIP codes

1

Hahnville and its ZIP codes

Full map

Hahnville at a glance

  • Hahnville is about 5.9 times as dense as Louisiana as a whole.
  • Households here earn a median of $100,956 a year, 66% more than the Louisiana figure of $60,756.
  • A typical owner-occupied home is valued at $246,100 (14% above Louisiana).

Local data for Hahnville, LA

Counts from official public data

Housing and community stats

Hahnville, LA, American Community Survey 2020-2024

Full profile

Median household income

$100,956

Poverty rate

6.7%

Median home value

$246,100

Homeownership

97.3%

Bachelor's or higher

21.9%

Median age

41.8

Average commute

25.3 min

Largest reported origins and ancestries: French Americans (317), German Americans (315), Irish Americans (237).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for St. Charles Parish. PPP loans are for Hahnville.

Details

Unemployment rate

3.6%

Sep 2026, -0.3 pts in a year

Average annual pay

$88,136

23,194 jobs, 2025

Income per person

$64,344

BEA, 2024

Federal spending

$329M

FY 2026, $6,268 per person

St. Charles Parish economyFederal spending

How people get to work

Hahnville, LA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone74.9%
  • Carpooled17.5%
  • Public transit0.0%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other1.1%
  • Worked from home6.6%

Average one-way commute: 25.3 minutes for people who do not work from home.

Environment and hazard risk

Hahnville, LA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hurricane

Storm events since 1996

210

Countywide, mostly thunderstorm wind

Flood insurance policies

9,907

55.7% of homes, county

July high / Jan low

91° / 46°F

63.3 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Hahnville, LA, CDC PLACES estimates

All 40 measures

Obesity

41.9%

U.S. 33.3% +8.6 pts

Diabetes

17.1%

U.S. 12.1% +5.0 pts

Smoking

18.5%

U.S. 12.8% +5.7 pts

Uninsured (18-64)

9.1%

U.S. 11.1% -2.0 pts

ZIP codes in Hahnville

1 in or overlapping Hahnville. Population shown

·

Cities near Hahnville

NameDistanceLand area (sq mi)
New SarpyCensus-designated place1.8 mi1.4
DestrehanCensus-designated place2.2 mi5.7
NorcoCensus-designated place2.4 mi3.4
TaftCensus-designated place2.7 mi5
KillonaCensus-designated place4.9 mi0.8
MontzCensus-designated place4.9 mi2.8
LulingCensus-designated place5.6 mi23.3
BoutteCensus-designated place6.5 mi13.8
St. RoseCensus-designated place6.5 mi6.6
ParadisCensus-designated place7.1 mi6.4
AmaCensus-designated place7.4 mi3.5
LaplaceCensus-designated place7.8 mi20.9
EdgardCensus-designated place9.2 mi11.4
KennerCity10 mi14.9
Bayou GaucheCensus-designated place10 mi12.9
WaggamanCensus-designated place11 mi5.7

Frequently asked questions

What county is Hahnville, LA in?
Hahnville is in St. Charles Parish, Louisiana.
What ZIP codes are in Hahnville, LA?
ZIP codes in or overlapping Hahnville include 70057.
What is the population of Hahnville, LA?
About 3,520 people live in Hahnville, based on American Community Survey 5-year estimates.
What cities are near Hahnville?
Nearby places include New Sarpy (1.8 mi), Destrehan (2.2 mi), Norco (2.4 mi), Taft (2.7 mi), Killona (4.9 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023

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