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Zip Code 70577 — Port Barre, LA

70577 is a ZIP Code associated with Port Barre, LA, located within St. Landry. The postal region supports an estimated population of 3,939 residents across Data Pending housing units, with a population density of 20.0 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.548480, -91.920180)

Data Metric	Local Statistic
Postal / Zip Code	70577
Primary City	Port Barre
State / Province	LA
County	St. Landry
Total Population	3,939
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	20.0 people/sq mi
Timezone	America/Chicago

How 70577 Compares

Metric	ZIP 70577	St. Landry County	LA State Average
Population	3,939	68,075	4,611,457
Median Income	Data Pending	N/A	N/A
Population Density	20.0 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 70551	Leonville	6.7 mi	570	N/A
Zip 70512	Arnaudville	9.3 mi	10,740	N/A
Zip 70750	Krotz Springs	9.9 mi	1,117	N/A
Zip 70570	Opelousas	11.3 mi	37,565	N/A
Zip 70541	Grand Coteau	11.5 mi	858	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →