Welcome to the Niobrara County Sheriff’s Office website, the first stop for emergencies for fire, ambulance, and law enforcement in Niobrara County, Wyoming. We work closely with other State and local City enforcement agencies. A call into us may resolve in a WHP, Game & Fish or Lusk Police dispatch. Depending on your 9-1-1 call emergency tells us which emergency services to dispatch, it may involve the Sheriff Office, deputies, search & rescue, jail or others in the County of Niobrara, and surrounding area.