77378 is zip code located in Willis, Texas. The population is 14,590, making 77378 the largest zipcode in Willis.
There are 8 public schools in 77378 with an average Homefacts rating of C+. The total crime rate for Willis is moderate , and there are 47 registered sex offenders residing in the zip code 77378. Unemployment in 77378 is moderate.
Zip codes within Willis include 77318.