Home > LA > Jefferson Davis County > Lake Arthur > Zip 70549

Zip Code 70549 — Lake Arthur, LA

70549 is a ZIP Code associated with Lake Arthur, LA, located within Jefferson Davis. The postal region supports an estimated population of 3,874 residents across Data Pending housing units, with a population density of 9.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.049880, -92.831390)

Data MetricLocal Statistic
Postal / Zip Code70549
Primary CityLake Arthur
State / ProvinceLA
CountyJefferson Davis
Total Population3,874
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density9.3 people/sq mi
TimezoneAmerica/Chicago

How 70549 Compares

MetricZIP 70549Jefferson Davis CountyLA State Average
Population3,87428,9054,611,457
Median IncomeData PendingN/AN/A
Population Density9.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 70646Hayes7.1 mi877N/A
Zip 70632Creole12.9 mi131N/A
Zip 70630Bell City13.1 mi1,478N/A
Zip 70650Lacassine13.8 mi218N/A
Zip 70591Welsh14.3 mi5,983N/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 →