77659 is zip code located in Sour Lake, Texas. The population is 4,677, making 77659 the largest zipcode in Sour Lake and the 4th largest in Hardin County.
There are 3 public schools in 77659 with an average Homefacts rating of A-. The total crime rate for Sour Lake is moderate , and there are 12 registered sex offenders residing in the zip code 77659. Unemployment in 77659 is high.