Buffalo County, Nebraska

Buffalo County
Buffalo County Courthouse in Kearney
Location within the U.S. state of Nebraska
Nebraska's location within the U.S.
Coordinates: 40°52′N 99°04′W / 40.86°N 99.07°W / 40.86; -99.07
Country United States
State Nebraska
Founded1855 (authorized)
1870 (organized)
Named afterAmerican bison
SeatKearney
Largest cityKearney
Area
  Total
975 sq mi (2,530 km2)
  Land968 sq mi (2,510 km2)
  Water7.3 sq mi (19 km2)  0.7%
Population
 (2020)
  Total
50,084
  Density51/sq mi (20/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district3rd
Websitebuffalocounty.ne.gov

Buffalo County is a county located in the U.S. state of Nebraska in the Midwestern United States. As of the 2020 United States census, the population was 50,084, making it Nebraska's fifth-most populous county. Its county seat is Kearney. The county was created in 1855 and was organized in 1870. It was named after the once-prevalent bison herds of the Great Plains.

Buffalo County is part of the Kearney Micropolitan Statistical Area.

In the Nebraska license plate system, Buffalo County is represented by the prefix 9; when the license plate system was established in 1922, the county ranked ninth in number of registered vehicles.