ZIP Code 70057 — Hahnville CDP, LA Demographics & Data

ZIP code 70057 covers Hahnville, LA in St. Charles Parish with a population of about 4,475.

At a glance, the area shows median age of 41.7 versus a U.S. median of about 38.9.

It sits in telephone area code 985; U.S. House district LA-2; the NEW ORLEANS media market.

Median household income in ZIP 70057 is about $62,361 — about 17% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.8%; unemployment rate near 4.4%; 14.7% of adults with a bachelor’s degree or higher (about 19.1 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Transportation, Public administration, and Education; about 5.5% of workers reporting work-from-home (about 9.7 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $217,500 — about 38% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $623 (about 46% below the U.S. median rent ($1,163)), and owner-occupancy near 90.3% (about 24.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 70057 in Hahnville, LA, a household would need roughly $60,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,397. That is roughly in line with the local median household income ($62,361). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate normals for Hahnville CDP, LA show little to no average snow and around 67.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 177 for ZIP 70057 (Hahnville CDP, LA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.