Niobrara County, Wyoming

Niobrara County sits in the northeastern corner of Wyoming and is the least populous county in the state. But its small population doesn’t mean it lacks personality. This is wide-open Wyoming at its most peaceful.

Rolling prairies stretch across the county, with ranching remaining at the heart of local life. Lusk, the county seat, has a classic small-town atmosphere that feels like a step back in time. Life moves slowly here, and that’s part of the charm.

The Niobrara River winds through the county, while hunters come for the abundant pronghorn and mule deer. Geology enthusiasts can explore the Lance Creek Fossil Area, adding another layer to the region’s story. It’s quiet, remote, and wonderfully open, with dark skies that offer incredible views of the stars.

Category Details
County Name Niobrara County
County Seat Lusk
Cities, Towns, and Communities Lusk, Manville, Van Tassell
Interstates and Highways US-20, US-85
Etymology Named after the Niobrara River, which flows through the region
FIPS Code 56-027
Total Area (Land and Water) 2,628 sq mi (Land: 2,626 sq mi; Water: 2 sq mi)
Time Zone Mountain Time Zone (MT)
State Wyoming
Coordinates 43.1350° N, 104.4790° W
Major Landmarks Stagecoach Museum, Rawhide Wildlife Habitat Nature Trail, Old Jail Museum
Adjacent Counties (and Direction) Weston County (North), Custer County, South Dakota (Northeast), Fall River County, South Dakota (East), Sioux County, Nebraska (Southeast), Goshen County (South), Platte County (Southwest), Converse County (West)
Population Approximately 2,000
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