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Zip Code 70605 — Lake Charles, LA

ZIP Code 70605 is associated with Lake Charles, LA, in Calcasieu County. The listed population estimate is 40,482; estimated density is 363.8 people per square mile. Among records with population estimates, it ranks #1 of 13 in Calcasieu County and #13 of 524 in LA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (30.130480, -93.274180)

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

How 70605 Compares

MetricZIP 70605Calcasieu County recordsLA records
Population estimate40,482187,517 (sum)4,611,457 (sum)
Population Density363.8 /sq mi----
County population rank#1 of 13----
State population rank#13 of 524----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in LA

ZIP CodeCityDistancePopulation estimate
ZIP 70609Lake Charles4.9 mi357
ZIP 70607Lake Charles6.9 mi27,080
ZIP 70601Lake Charles7.5 mi30,872
ZIP 70629Lake Charles7.7 miN/A
ZIP 70669Westlake7.7 mi9,552

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 →