51108 is zip code located in Sioux City, Iowa. The population is 6,401, making 51108 the 5th largest zipcode in Sioux City and the 5th largest in Woodbury County.
There are 2 public schools in 51108 with an average Homefacts rating of D+. The total crime rate for Sioux City is moderate , and there are 9 registered sex offenders residing in the zip code 51108. Unemployment in 51108 is moderate.