ZIP Code 70030 — Bayou Gauche CDP, LA Demographics & Data

ZIP code 70030 covers Bayou Gauche, LA in St. Charles Parish with a population of about 4,028.

At a glance, the area shows median age of 39.7 (near the U.S. median).

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

Median household income in ZIP 70030 is about $117,218 — about 56% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 3.6%; unemployment rate near 2.7%; 19.3% of adults with a bachelor’s degree or higher (about 14.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Healthcare, and Public administration; about 1.9% of workers reporting work-from-home (about 13.3 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 $205,700 — about 41% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,211 (about 4% above the U.S. median rent ($1,163)), and owner-occupancy near 92.6% (about 27.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 70030 in Bayou Gauche, LA, a household would need roughly $57,000 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 $1,321. That sits below the local median household income ($117,218), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate normals for Bayou Gauche CDP, LA show little to no average snow and around 63.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 159 for ZIP 70030 (Bayou Gauche 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.