Home > TX > Hardin County > Sour Lake > Zip 77659

Zip Code 77659 — Sour Lake, TX

77659 is a ZIP Code associated with Sour Lake, TX, located within Hardin. The postal region supports an estimated population of 5,650 residents across Data Pending housing units, with a population density of 18.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.157750, -94.432790)

Data MetricLocal Statistic
Postal / Zip Code77659
Primary CitySour Lake
State / ProvinceTX
CountyHardin
Total Population5,650
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density18.4 people/sq mi
TimezoneAmerica/Chicago

How 77659 Compares

MetricZIP 77659Hardin CountyTX State Average
Population5,65057,70830,188,035
Median IncomeData PendingN/AN/A
Population Density18.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 77519Batson9.9 mi716N/A
Zip 77613China10.3 mi692N/A
Zip 77533Daisetta10.7 mi1,016N/A
Zip 77585Saratoga11.4 mi1,112N/A
Zip 77713Beaumont12.2 mi15,541N/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 →