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Zachary city, LA

ZIP Code 70791 — Zachary city, LA Demographics & Data

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

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
30,097
Median Income
$80,243
+7% vs US avg
Home Value
$269,800
-22% vs US avg
Median Rent
$1,161
-0% vs US avg
Median Age
37.7 yrs
-3% vs US avg
Area Code
Congress
Top Ancestry
AmericanGermanEnglish
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Location
Coordinates
30.6520, -91.1544
Elevation
64 ft
Land Area
120.5 sq mi
Water Area
3.4 sq mi (3% water)

At a glance

Population
30,097
Density
N/A
Median income
$80,243
+7% vs US avg
Home value
$269,800
-22% vs US avg
Median rent
$1,161
-0% vs US avg
Timezone

Overview of ZIP Code 70791

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What to know about ZIP 70791

ZIP code 70791 covers Zachary, LA in East Baton Rouge Parish with a population of about 30,097.

At a glance, the area shows median age of 37.7 (near the U.S. median).

It sits in telephone area code 225; U.S. House district LA-6; the BATON ROUGE media market.

Income and economy in Zachary, LA

Median household income in ZIP 70791 is about $80,243 — about 7% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.4%; unemployment rate near 8.0%; 39.2% of adults with a bachelor’s degree or higher (about 5.5 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Healthcare, and Public administration; about 5.4% of workers reporting work-from-home (about 9.8 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 70791

Median home value is about $269,800 — about 22% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,161 (about even with the U.S. median rent ($1,163)), and owner-occupancy near 84.1% (about 18.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 70791 in Zachary, LA, a household would need roughly $74,000 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 $1,733. That is roughly in line with the local median household income ($80,243). 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 Zachary city, LA show little to no average snow and around 61.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,191 for ZIP 70791 (Zachary city, 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 (8.2 miles (13.2 km)) · Southern University and A & M College (9.1 miles (14.6 km)) · Natchez National Historical Park (63.4 miles (102.0 km)) · VA: Louisiana National Cemetery (5.6 miles (9.0 km))

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