Niobrara County is a county located in the state of Wyoming. Based on the 2010 census, the population was 2,484, making it the least populous county in Wyoming. Its county seat is Lusk. It is west from the Nebraska-South Dakota state line.
Takes its name from the Niobrara River. Niobrara, from the Omaha Indian language, signifies "flat" or "broad" river.
County QuickFacts: CensusBureau Quick Facts
Niobrara County, WY was created in 1911 from the eastern part of Converse County, WY. It was organized in 1913 and
named by Harry S. Snyder after the Niobrara River which rises west of Lusk, Niobrara County seat.
The name "Niobrara" is taken from the Omaha-Ponca Indian name Ni (water) obthatha (spreading) ke (horizontally). It was
called "Running Water" by early settlers. The Cheyenne Indian name for the Niobrara was Hisse yovi yoe, which means
unexpected or surprise river. They came upon it suddenly on the prairie, as it is marked with few trees.
The Niobrara County seat, is located in Eastern Wyoming in the tall grass country and is served by highways
connecting in all four directions. Only 3,200 people live in rural Niobrara County, averaging out to almost 524
acres per person. As a ranching community, Lusk has a relatively stable economic base. Lusk was named for Frank
Lusk, an early rancher who donated land for the town site. Today, it is a trading center for a ranching and
dry-farming district which is somewhat involved in oil production. To the west of Lusk are red-colored cliffs from
which Native Americans obtained material for paint. Through this area ran the Cheyenne and Black Hills Stage Line,
whose route is marked by two rows of white posts.
Three miles east on US 20, a marker indicates the location of a segment of the Texas Trail. The trail was used to
herd cattle from Texas to the open ranges of Wyoming, Montana and the Dakotas. Lusk, Manville and Van Tassel are
incorporated municipalities of Niobrara County, while Lance Creek, an unincorporated community, is also in Niobrara
County.
Located along the eastern corridor of Wyoming, 240 miles north of Denver; US Highways 18 & 20 intersect at Lusk, the county seat. The town of Manville is located 10 miles west, and the town of of Van Tassell is located 15 miles east of Lusk.
Bordering counties are as follows: