- Kearney is a city located in Buffalo County, Nebraska, United States. It is situated along the Platte River and is approximately 175 miles west of Omaha. Kearney is the county seat of Buffalo County and has a population of around 33,000 people. The city is known for being the home of the University of Nebraska at Kearney, a four-year public university. Kearney also has a vibrant downtown area with shops, restaurants, and a variety of cultural and recreational amenities. Additionally, the city is known for hosting the Nebraska State Fair, which attracts visitors from across the state.