Sioux County

Sioux County is an administrative area in northwestern Nebraska featuring grasslands and rolling terrain crossed by the Niobrara River. The county includes small towns like Harrison, where most public services are centered.

Nebraska State Legislature established this county in 1877, naming it after the Sioux people who had lived in the region for generations. Its creation took place during a period of major change for native inhabitants and incoming settlers.

The land holds the Agate Fossil Beds National Monument, where you can see objects and remains that tell the story of people who lived here long ago. The place shows how nature and human history are connected in this region.

The area is sparsely populated with limited services spread across small towns. Visitors should plan ahead for trips to remote parts and ensure they have enough fuel and supplies before traveling into outlying areas.

The territory is one of Nebraska's most sparsely populated areas, with fewer than one person per square mile spread across its vast expanse. This extreme remoteness makes it a place where you can experience nature without typical crowds.

Location: Nebraska

Inception: 1877

Capital city: Harrison

Shares border with: Fall River County, Scotts Bluff County, Dawes County, Box Butte County, Niobrara County, Goshen County

GPS coordinates: 42.48000,-103.77000

Latest update: December 10, 2025 15:56