Sioux County, Nebraska - NEGenWeb Project Sioux County, Nebraska Project Welcome to Sioux County. It contains about 4,902 squares miles. The county is well watered by numerous streams, the principal ones being Niobrara, Leau qu Court, Snake, Pine and many others.
Numerous lakes abound in the northern part, while to the west, sandhills are numerous.
Grazing lands are chiefly along the valleys of the streams. I see the beauty and richness of Sioux County on a regular basis. Please e-mail me if there is anything you would like to see added to this site. What's New Search Sioux County Resources You will find all the resources available in Harrison. Here is a list of sites you might need.