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Zip Code 70665 — Sulphur, LA

70665 is a ZIP Code associated with Sulphur, LA, located within Calcasieu. The postal region supports an estimated population of 13,222 residents across Data Pending housing units, with a population density of 33.4 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.127560, -93.445550)

Data Metric	Local Statistic
Postal / Zip Code	70665
Primary City	Sulphur
State / Province	LA
County	Calcasieu
Total Population	13,222
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	33.4 people/sq mi
Timezone	America/Chicago

How 70665 Compares

Metric	ZIP 70665	Calcasieu County	LA State Average
Population	13,222	187,517	4,611,457
Median Income	Data Pending	N/A	N/A
Population Density	33.4 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 70668	Vinton	10.1 mi	6,169	N/A
Zip 70605	Lake Charles	10.2 mi	40,482	N/A
Zip 70663	Sulphur	10.8 mi	27,799	N/A
Zip 70645	Hackberry	11.7 mi	899	N/A
Zip 70669	Westlake	12.8 mi	9,552	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 →