Sioux City is located in Woodbury County, IA. The population is 84,297, making Sioux City the largest city in Woodbury County and the 4th largest city in the state of Iowa.
There are 23 public schools in Sioux City with an average Homefacts rating of C. The total crime rate for Sioux City is moderate , and there are 300 registered sex offenders residing in the city. Unemployment in Sioux City is moderate and the median home sales price is $0. Detailed and up-to-date Sioux City property reports are available for any property address.