Zip Code 77659 — Sour Lake, TX

ZIP Code 77659 is associated with Sour Lake, TX, in Hardin County. The listed population estimate is 5,650; estimated density is 18.4 people per square mile. Among records with population estimates, it ranks #4 of 9 in Hardin County and #981 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (30.157750, -94.432790)

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

How 77659 Compares

MetricZIP 77659Hardin County recordsTX records
Population estimate5,65057,708 (sum)30,188,035 (sum)
Population Density18.4 /sq mi----
County population rank#4 of 9----
State population rank#981 of 1,924----

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 TX

ZIP CodeCityDistancePopulation estimate
ZIP 77519Batson9.9 mi716
ZIP 77613China10.3 mi692
ZIP 77533Daisetta10.7 mi1,016
ZIP 77585Saratoga11.4 mi1,112
ZIP 77713Beaumont12.2 mi15,541

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 →