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Zip Code 70605 — Lake Charles, LA

70605 is a ZIP Code associated with Lake Charles, LA, located within Calcasieu. The postal region supports an estimated population of 40,482 residents across Data Pending housing units, with a population density of 363.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.130480, -93.274180)

Data MetricLocal Statistic
Postal / Zip Code70605
Primary CityLake Charles
State / ProvinceLA
CountyCalcasieu
Total Population40,482
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density363.8 people/sq mi
TimezoneAmerica/Chicago

How 70605 Compares

MetricZIP 70605Calcasieu CountyLA State Average
Population40,482187,5174,611,457
Median IncomeData PendingN/AN/A
Population Density363.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 70609Lake Charles4.9 mi357N/A
Zip 70607Lake Charles6.9 mi27,080N/A
Zip 70601Lake Charles7.5 mi30,872N/A
Zip 70629Lake Charles7.7 miN/AN/A
Zip 70669Westlake7.7 mi9,552N/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 →