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Supreme CDP, LA

ZIP Code 70390 — Supreme CDP, LA Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
7,397
Median Income
$56,353
-25% vs US avg
Home Value
$152,000
-56% vs US avg
Median Rent
$608
-48% vs US avg
Median Age
36.2 yrs
-7% vs US avg
Area Code
Congress
Top Ancestry
FrenchGermanAmerican
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Location
Coordinates
29.8973, -91.0311
Elevation
30 ft
Land Area
161.1 sq mi
Water Area
0.4 sq mi (0% water)

At a glance

Population
7,397
Density
N/A
Median income
$56,353
-25% vs US avg
Home value
$152,000
-56% vs US avg
Median rent
$608
-48% vs US avg
Timezone

Overview of ZIP Code 70390

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What to know about ZIP 70390

ZIP code 70390 covers Supreme, LA in Assumption Parish with a population of about 7,397.

At a glance, the area shows median age of 36.2 versus a U.S. median of about 38.9.

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

Income and economy in Supreme, LA

Median household income in ZIP 70390 is about $56,353 — about 25% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 15.3%; unemployment rate near 5.8%; 14.8% of adults with a bachelor’s degree or higher (about 19.0 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Manufacturing, and Healthcare; about 3.8% of workers reporting work-from-home (about 11.4 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 70390

Median home value is about $152,000 — about 56% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $608 (about 48% below the U.S. median rent ($1,163)), and owner-occupancy near 77.0% (about 11.5 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 70390 in Supreme, LA, a household would need roughly $42,000 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 $976. That sits below the local median household income ($56,353), 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 risk and migration signals

Climate normals for Supreme 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 293 for ZIP 70390 (Supreme 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.

Nearby (from this ZIP)

Airport BTR (44.5 miles (71.6 km)) · Nicholls State University (15.5 miles (24.9 km)) · Jean Lafitte National Historical Park and Preserve (53.7 miles (86.4 km)) · VA: Houma CBOC (27.4 miles (44.1 km))

Full lists and map pins are in the Infrastructure section below.